The following statement false is there is a specific number of chromosomes for each species.
Although the number of chromosomes in a species can vary, the range is usually very small. For example, humans typically have 46 chromosomes, while most primates have 48 chromosomes.
During interphase, the genetic material is replicated so that each daughter cell has a full set of chromosomes. During prophase I, homologous chromosomes, or chromosomes that are alike in structure, pair up and cross over to exchange genetic material. During metaphase I, the homologous chromosomes align in the middle of the cell, and during anaphase I, the homologous chromosomes are pulled apart into different daughter cells. Finally, during telophase I and II, new nuclei are formed in each of the daughter cells.
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the life cycles of plant species alternate between haploid and diploid generations. the haploid generation is called the
The haploid generation is called the gametophyte in the life cycles of plant species that alternate between haploid and diploid generations.
A life cycle is a sequence of developmental stages in the lives of sexually reproducing organisms, from the time they are born until they produce offspring themselves. It involves a series of changes in form and function that are repeated from one generation to the next. The haploid generation, known as the gametophyte, is the phase of the plant life cycle in which the plant produces haploid gametes, which are sex cells with only one set of chromosomes. Gametes from two separate organisms combine during fertilization to form a diploid zygote, which grows into the next phase of the plant life cycle, the diploid generation. The diploid generation, known as the sporophyte, is the stage of the plant life cycle in which the zygote develops into a multicellular organism that produces spores. The spores are haploid and can develop into new gametophytes. This is the beginning of the next haploid generation, and the cycle repeats itself. The life cycle of plants, therefore, is characterized by a regular alternation between diploid and haploid generations.Learn more about diploid generation: https://brainly.com/question/9217496
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Compare and contrast Jupiter’s Galilean satellites.
Answer:
Explanation:
Jupiter is the planet fifth in order from the sun, having an equatorial diameter of 88,729 miles (142,796 km), a mean distance from the sun of 483.6 million miles (778.3 million km), a period or revolution of 11.86 years, and at least 14 moons. It is the largest planet in the solar systems.
Jupiter are at least 80 Galilean moons.
The most known ones are Ganymede, Calisto, Io, and Europa.
Name of Moon Diameter Distance from Earth
Ganymede 3, 273.5 542.44M
Calisto 2,995.4 542.44M
Io 2,263.8 542.44M
Europa 1,939.7 542.44M
Io-no craters/active volcanoes/no h2o or ice
Europa-no craters/icy w/cracks/geologic activity
Ganymede-icy surface/more craters
Callisto-heavily craters(ice) closer to Jupiter =more geological activity
Thanks.
which of the following is the primary factor in oxygen's attachment to, or release from, hemoglobin? which of the following is the primary factor in oxygen's attachment to, or release from, hemoglobin? partial pressure of oxygen temperature blood ph partial pressure of carbon dioxide
The primary factor in oxygen's attachment to, or release from, hemoglobin is the partial pressure of oxygen.
Oxygen binds to hemoglobin in the lungs, where the partial pressure of oxygen is high, and it is released from hemoglobin in the tissues, where the partial pressure of oxygen is lower. The partial pressure of the oxygen gradient between the lungs and tissues drives the diffusion of oxygen into and out of hemoglobin.
Hemoglobin is a protein found in red blood cells that plays a crucial role in transporting oxygen from the lungs to the body's tissues and carrying carbon dioxide back to the lungs for removal. It consists of four subunits, each containing a heme group that binds to oxygen molecules. The iron in the heme group is responsible for binding to oxygen.
While factors such as temperature, blood pH, and partial pressure of carbon dioxide can influence the affinity of hemoglobin for oxygen, the primary factor governing attachment and release is the partial pressure of oxygen.
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Which two systems work together to provide cells with oxygen and remove carbon dioxide from them?
, incorrect answer
Nervous and excretory
, incorrect answer
Nervous and circulatory
, incorrect answer
Respiratory and excretory
, incorrect answer
Respiratory and circulatory
Answer: Circulatory and respiratory systems
Explanation:
the of a human begins with the production of gametes by and the consecutive growth of the organism because of .
The life cycle of a human begins with the production of gametes by meiosis and the consecutive growth of the organism because of mitosis.
Meiosis is a cell division process that occurs in sexually reproducing organisms. It occurs in the reproductive organs of animals, the ovaries in females and the testes in males, and in the reproductive structures of plants. Meiosis is a process that reduces the number of chromosomes in a cell by half in preparation for fertilization.
Mitosis is the process by which a cell divides to produce two identical daughter cells. Mitosis is a fundamental process in the growth and development of multicellular organisms. During mitosis, the cell's nucleus divides, and the chromosomes are separated into two identical sets of chromosomes, each in its own nucleus. Mitosis plays a significant role in the growth and development of multicellular organisms.
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a mutation arises in a gene that codes for a lysosomal hydrolytic enzyme. the mutation changes an amino acid in the active site of the enzyme so the enzyme doesn't function properly. what effect might this mutation have on lysosome function?
The effect might this mutation have on lysosome function is the lysosome will not be able to digest certain molecules.
Lysosomes аre membrаne-enclosed orgаnelles thаt contаin аn аrrаy of enzymes cаpаble of breаking down аll types of biologicаl polymers: proteins, nucleic аcids, cаrbohydrаtes, аnd lipids.
Lysosomes function аs the digestive system of the cell, serving both to degrаde mаteriаl tаken up from outside the cell аnd to digest obsolete components of the cell itself. In their simplest form, lysosomes аre visuаlized аs dense sphericаl vаcuoles, but they cаn displаy considerаble vаriаtion in size аnd shаpe аs а result of differences in the mаteriаls thаt hаve been tаken up for digestion.
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when an allotetraploid (aabb) is backcrossed to one of its progenitor diploid species (aa), a sterile offspring is produced. the genomic composition of this sterile individual is best represented by
When an allotetraploid (aabb) is backcrossed to one of its progenitor diploid species (aa), the resulting sterile offspring will have a genomic composition of AaBb.
During the backcross, the progenitor diploid species contributes one set of chromosomes (aa) while the allotetraploid contributes two sets of chromosomes (aabb). The resulting offspring will have one set of chromosomes from the diploid species and two sets of chromosomes from the allotetraploid.
However, since the genomic composition of the allotetraploid is AABB, and the resulting offspring only inherited one set of chromosomes from each parent, it will have an AaBb genomic composition. This genotype results in a sterile offspring due to the inability of the homologous chromosomes to pair during meiosis, leading to an uneven distribution of chromosomes in the gametes.
Therefore, the sterile offspring resulting from the backcross between the allotetraploid (aabb) and one of its progenitor diploid species (aa) will have a genomic composition of AaBb.
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Marine life in the oceans are an important source of atmospheric _______________.
Marine life in the oceans are an important source of atmospheric oxygen. Marine life refers to the plants, animals, and other organisms that inhabit the ocean or marine biome, and they provide various services such as food, oxygen, medicines, and recreation to humans.
Marine life is crucial to the ocean's functioning, and its diversity is due to the existence of unique organisms that cannot be found elsewhere.
Phytoplankton, which is a significant part of marine life, plays a crucial role in the global carbon cycle by serving as the foundation of many marine ecosystems and transporting carbon from the surface to the deep ocean when they die and sink.
Marine life is essential to mitigating climate change because the ocean absorbs approximately one-third of the carbon dioxide produced by human activities.
Marine life, particularly phytoplankton and seaweed, is responsible for producing roughly 70% of the Earth's oxygen, with land-based plants and trees producing the remaining 30%.
Phytoplankton use photosynthesis to produce oxygen by converting carbon dioxide and water into glucose and oxygen using light energy.
The oxygen produced by marine life is critical to the survival of humans and animals worldwide, and the ocean's oxygen supply is essential for the survival of marine life as well.
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For male cats
O allele =
o allele =
Answer:
For male cats, there is only one allele for each gene located on the X chromosome because they only have one X chromosome. Therefore, the O and o alleles, which are variations of the blood type gene, would still be present in male cats but they will only have one copy of it.
The O allele codes for the type A blood antigen, and the o allele codes for the type B blood antigen. When a male cat inherits an O allele from its mother, it will have type A blood, and when it inherits an o allele, it will have type B blood. If the male cat inherits one O allele and one o allele, it will have type AB blood, which is a rare blood type in cats. However, this can only happen if the male cat has a genetic anomaly, such as Klinefelter syndrome, which gives it two X chromosomes instead of one.
which term names the broadest, most inclusive taxonomic group? question 4 options: genus species family domain
The term that names the broadest, most inclusive taxonomic group is domain. The correct option is d.
What is a domain?In biological taxonomy, a domain is the broadest category into which living organisms can be classified. Domain, Kingdom, Phylum, Class, Order, Family, Genus, and Species are the eight fundamental categories or ranks utilized in the biological classification of all living things.
A domain is a high-level taxonomic category that includes one or more kingdoms. The three domains are Archaea, Bacteria, and Eukarya, with Eukarya being the most recently discovered. Eukarya is the group of organisms that are made up of cells with a nucleus, such as animals, plants, fungi, and protists, while Archaea and Bacteria are the two groups of prokaryotes, which are single-celled organisms that lack a nucleus.
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what is the main function of the ribosomes in the cell? multiple choice to break down proteins into individual amino acids to provide strength and structural support for the cell membrane to form the nuclear envelope to synthesize proteins to synthesize dna
Answer:
break down proteins into individual amino acids
Explanation:
2. they describe conjugation (matings) done in liquid media where the recipient cells used to be on a biofilm and compared them with matings done with cells still on a biofilm. why did they do these by, at least, triplicate?
Conjugation in liquid media was performed in triplicate to ensure a consistent and reliable result. By performing the experiment multiple times, it allows for the possibility to compare and contrast the effects of the mating in different scenarios.
Furthermore, it provides a better understanding of the behavior of the recipient cells when they are no longer in the biofilm. For instance, the researchers may be able to measure the relative fitness of the cells when they are in liquid media compared to when they are still in the biofilm.
Additionally, replicating the experiment would reduce any variability in the results, ensuring that the conclusions drawn are reliable.
In summary, performing the conjugation experiment in triplicate allows for a more comprehensive evaluation of the effects of the mating, as well as provide a better understanding of the behavior of the recipient cells in different environments.
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assume that a species has a diploid chromosome number of 24. the term applied to an individual with 25 chromosomes would be .
An individual with 25 chromosomes would be referred to as aneuploid.
Aneuploidy is a chromosomal abnormality caused by a variation in the number of chromosomes in a cell's nucleus.
When compared to the diploid chromosome number, which is the standard chromosome number for an organism, it can either have more or fewer chromosomes than normal.
Diploid chromosome number is the number of chromosomes in the somatic cells of an organism. Diploid chromosomes can be found in organisms that reproduce sexually.
When gametes join during fertilization, the diploid chromosome number is returned to the offspring. The chromosome number is the same in both parents.
The haploid number of chromosomes is the number of chromosomes in the gametes. The haploid number of chromosomes is half that of the diploid chromosome number.
For example, if an organism's diploid chromosome number is 24, it has 12 haploid chromosomes.
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in addition to regulating body fluids and electrolytes, the kidneys endocrine function in maintiaing bone calcium levels consists of what process
The kidney's endocrine function in maintaining bone calcium levels consists of the process of: vitamin D activation.
The kidney's endocrine function in maintaining bone calcium levels consists of the process of vitamin D activation. The kidneys have three critical functions: regulating body fluids and electrolytes, eliminating waste and toxins, and secreting hormones. The endocrine function of the kidneys includes the secretion of erythropoietin, renin, and prostaglandins.
The kidneys also play a crucial role in the regulation of bone metabolism. Vitamin D is a steroid hormone that plays a critical role in calcium and bone homeostasis. Vitamin D is formed in the skin upon exposure to ultraviolet B radiation or consumed through the diet. Vitamin D requires activation, which occurs in two steps in the liver and kidney.
Vitamin D binds to vitamin D-binding protein in the bloodstream and is transported to the liver. The liver hydroxylates vitamin D at the 25-carbon position, creating 25-hydroxyvitamin D, which is the primary circulating form of vitamin D.
The 25-hydroxyvitamin D is transported to the kidney, where it undergoes a second hydroxylation reaction, creating the active form of vitamin D, 1,25-dihydroxyvitamin D [1,25(OH)2D]. 1,25(OH)2D is the biologically active form of vitamin D that regulates bone calcium homeostasis.
It does so by increasing calcium absorption in the small intestine, mobilizing calcium from bone, and increasing calcium reabsorption in the kidney. In summary, the kidney's endocrine function in maintaining bone calcium levels consists of the process of vitamin D activation.
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a lawyer is presenting a hair sample with its corresponding nuclear dna that was found at the crime scene. how will this most likely affect the criminal case?
Answer:
this will further the criminal case- absolutely! but i would need more context as to how it would further the case. does that make sense?
Explanation:
Autoimmunity can result when the body fails to eliminate or silence ______ that would respond to and attack normal body tissues.
which would be most likely to occur if red blood cells (rbcs) were placed in a test tube containing a 10% salt solution?
Red blood cells (RBCs) placed in a 10% salt solution would likely experience osmotic lysis.
Osmotic lysis is a process where a cell bursts due to an imbalance in the concentrations of solutes on either side of the cell membrane. In this case, the 10% salt solution is hypertonic to the cytoplasm of the RBC, meaning the concentration of solutes in the test tube is greater than the concentration of solutes in the cytoplasm of the cell. This results in water being drawn out of the cell and into the test tube, making the cell shrink and eventually burst.
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which groups contains only prokaryotes? question 7 options: domains bacteria and eukarya domains archaea and bacteria domains archaea and eukarya only domain eukarya
The group that contains only prokaryotes is Domain Bacteria and Domain Archaea.
Prokaryotes are unicellular organisms that lack membrane-bound organelles. The cytoplasm is enclosed by a cell membrane and a cell wall, both of which are thin.
Bacteria and archaea are examples of prokaryotes. Eukaryotes are organisms that have cells with nuclei and other membrane-bound organelles.
A prokaryote is a kind of cell that lacks a nucleus and membrane-bound organelles. Prokaryotes come in a variety of shapes and sizes, including spherical (cocci), rod-shaped (bacilli), spiral (spirilla), and comma-shaped (vibrios).
Prokaryotes are classified into two domains: Bacteria and Archaea. Eukarya is the third domain, and it includes all eukaryotic organisms, including animals, plants, fungi, and protists.
Therefore, the only two domains that include only prokaryotic organisms are Bacteria and Archaea.
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in a pure bred variety of mendel's pea plants, what traits would the offspring of a white-flowered pea plant with yellow seed color have?
The offspring of a white-flowered pea plant with yellow seed color will have both white flowers and yellow seeds.
The traits that the offspring of a white-flowered pea plant with yellow seed color would inherit would be determined by the traits of the purebred variety of Mendel's pea plant. The phenotype and genotype of the offspring would depend on the dominant and recessive alleles of the parental plants.
In the cross, a white-flowered pea plant with yellow seed color is a homozygous recessive (yy), whereas the purebred variety of Mendel's pea plant is a homozygous dominant (YY).The cross between a homozygous recessive and a homozygous dominant produces offspring with the same genotype but different phenotypes.
The F1 generation, in this case, would be heterozygous (Yy) with a dominant yellow seed color and white flowers because yellow seed color is dominant and white flower color is recessive. Thus, the offspring of a white-flowered pea plant with yellow seed color would have yellow seeds and white flowers (Yy) because yellow seed color is dominant and white flower color is recessive.
The F2 generation can result in a variety of possible phenotypes and genotypes when the F1 generation is allowed to self-fertilize.
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what is an osteocyte? a bone-forming cell a bone cell surrounded by matrix a nerve cell in the bone a bone marrow cell a cell that breaks down bone
An osteocyte is a bone cell surrounded by a matrix. Osteocytes are cells that are found in bone tissue that are responsible for bone matrix maintenance and are located in small cavities known as lacunae.
The bone matrix contains collagen fibers and various mineral salts, such as calcium and phosphate. The osteocyte's function is to maintain the bone matrix by producing and secreting enzymes and regulating the mineral content. Osteocytes are also involved in calcium and phosphate homeostasis in the body. They're located in tiny lacunae, which are interconnected by tiny canals known as canaliculi. These canaliculi allow osteocytes to communicate with one another, as well as with cells on the bone surface. Osteoblasts are bone-forming cells, osteoclasts are cells that break down bone, and bone marrow cells are specialized cells that generate blood cells. Nerve cells, on the other hand, do exist in bone tissue, but they are not classified as osteocytes.
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the chromosomes (dna) in this cell have been dyed blue and the cytoskeletal components have been dyed green. which phase of mitosis is this cell in?
This cell is in the metaphase phase of mitosis. In this phase, the chromosomes (dyed blue) are aligned in the center of the cell and the spindle fibers (dyed green) are connecting the chromosomes to the spindle poles.
Phases of Mitosis:
Mitosis is the process of cell division that results in two identical daughter cells. It can be divided into four distinct phases that are discussed below.
Prophase: In this phase, chromosomes condense and become visible. Chromosomes pair up to form an "X" shape, with each pair comprising a pair of sister chromatids. Cytoskeletal structures called microtubules start to form, which will eventually form the spindle apparatus. The nuclear envelope begins to disintegrate.
Metaphase: The chromosomes align at the cell's equator during this stage. The spindle apparatus and microtubules attach to the kinetochores on the chromosomes. The centrosomes migrate to opposite poles of the cell, forming the spindle's poles.
Telophase: The spindle apparatus disintegrates, and new nuclei begin to form at either end of the cell. The chromosomes relax, and their characteristic shape disappears. Cytokinesis, or the splitting of the cell into two daughter cells, begins at this stage.
Anaphase: The sister chromatids are pulled apart and drawn toward the spindle poles during this phase.
The spindle apparatus shortens as microtubules shorten, pulling the chromatids in opposite directions. As a result, each chromatid is now regarded as an individual chromosome. The cell becomes more oval-shaped as the spindle pulls the chromosomes towards the poles until they are completely separated.
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starting with the arrival of an action potential at the axon terminal of a motor neuron, which is the correct order of events?
Starting with all the first arrival of an action Sequence potential at the axon terminal for an motor neuron, 1,3,4,2,5 is the correct order of events.
A neuron can interact with muscle cells or other neurons by migrating along its membrane to produce an electrical signal known as an action potential. The axon terminal of the motor neuron receives an action potential. Neurotransmitters are released into the synaptic cleft as a result of exocytosis.
Neurotransmitter binding causes ligand-gated ion channels to open, enabling sodium ions to enter. Event Sequence:
1. An action with the potential to reaches the motor neuron's at the axon terminal.
2. Myosin heads join with actin and produce a powerful contraction
3. Neurotransmitter binding causes ligand-gated ion channels to open, enabling an inflow of sodium ions.
4. Exocytosis allows neurotransmitters to enter the synaptic cleft.
5. The release of calcium ions is initiated by the muscular action potential.
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Correct Question:
Starting with the arrival of an action potential at the axon terminal of a motor neuron, which is the correct order of events?
1. Action potential reaches the axon terminal of the motor neuron.
2. Myosin heads bind to actin and perform a power stroke
3. The binding of neurotransmitters opens ligand-gated ion channels, allowing an influx of sodium ions
4. Neurotransmitters are released into the synaptic cleft via exocytosis.
5. The muscle action potential triggers the release of calcium ions.
methanogens, halophilesthe diagram shows a dichotomous key and a picture of a fruit. according to the key, the fruit comes from which species of tree?, acidophiles
According to the key, the fruit comes from a species of tree that is a methanogen, halophile, or acidophile. Thus, The fruit comes from the Black Cherry tree species (Prunus serotina).
The key to the given fruit picture: The given diagram is a dichotomous key that helps in identifying the fruit-bearing species of a tree. In the diagram, the key is designed as two statements that offer two choices, and we have to proceed with the one that is relevant to the specimen that is being examined. It's possible that the fruit comes from the Black Cherry tree species (Prunus serotina).
Methanogens and halophiles are types of archaebacteria. Methanogens are bacteria that generate methane by anaerobic digestion of organic matter in anaerobic environments such as the human gut, rice paddies, and landfills. Halophiles, on the other hand, are organisms that can tolerate high salinity, such as salt flats and solar salterns, which are extreme environments.
Therefore, the fruit comes from Black Cherry tree species (Prunus serotina) .
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all hormones are all hormones are proteins. chemical messengers. steroids. cholesterol based. inorganic compounds.
All hormones are chemical messengers. The correct option is b.
Hormones are signaling molecules produced by glands in the endocrine system and released into the bloodstream to regulate various physiological processes in the body.
Hormones are classified into different categories based on their chemical composition, but not all hormones are proteins or steroids. Hormones can also be made up of other organic or inorganic compounds, depending on their structure and function. Therefore, option B, chemical messengers, is the correct answer to the given question.
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you must directly expose cells to the uv light when attempting to disinfect because: (select all that apply) group of answer choices uv does not penetrate surfaces uv does not pass through plastic uv does not penetrate through the air uv does not pass through glass uv works best when not in direct contact with the cell
The correct answers are: Ultraviolet light does not penetrate surfaces.
UV does not pass through plastic.
UV does not penetrate through the air.
UV does not pass through glass.
In order to disinfect, cells must be directly exposed to UV light. UV does not work well when it is not in direct contact with the cell. Additionally, there are surfaces that UV light cannot penetrate, such as glass and plastic.
What is ultraviolet radiation (UV)?UV radiation is a form of electromagnetic radiation that is not visible to the human eye. It falls between visible light and X-rays on the electromagnetic spectrum. The sun is the most common natural source of UV radiation, but it can also be found in man-made sources like tanning beds and lamps. When exposed to too much UV radiation, it can cause sunburn, premature skin aging, and skin cancer.
What is the disinfecting effect of UV light?Ultraviolet light is a potent disinfectant. Because of this, UV light is commonly used to disinfect surfaces and drinking water. When UV radiation penetrates a cell's outer membrane and comes into touch with the DNA inside the cell, it can damage and break the DNA strands. When a cell's DNA is damaged, it cannot replicate and, as a result, dies. This makes UV light a highly effective disinfectant.
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the scientific discipline of classifying organisms into increasingly more inclusive groups according to an international classification standard is known as what
The scientific discipline of classifying organisms into increasingly more inclusive groups according to an international classification standard is known as taxonomy. The international classification standard referred to in the question is the Linnaean system of classification.
Taxonomy is the scientific practice of naming, defining, and classifying groups of biological organisms on the basis of shared characteristics. Taxonomic categories can range from the most general, such as a kingdom, to the most specific, such as a particular species. It is important to remember that all living organisms can be divided into a series of increasingly more inclusive groups, ranging from kingdom down to species. For example, humans are classified as Homo sapiens, which is part of the genus Homo, the family Hominidae, the order Primates, the class Mammalia, the phylum Chordata, and the kingdom Animalia. In addition, taxonomy provides an internationally accepted system for categorizing organisms, allowing for easier identification, understanding, and comparison.
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In the Gulf of Mexico, there is a large area off the coast of Louisiana that cannot support most marine life. In this area, fresh water from the Mississippi River carries excess phosphorus and nitrogen from lawn care and agriculture into the Gulf of Mexico. Algae in the water use these nutrients to grow rapidly, creating algal blooms in the water. When the algae die, they sink to the bottom of the Gulf, where bacteria use much of the oxygen in the water to decompose the algae.
Dissolved Oxygen Levels in Gulf of Mexico Dead Zone
map showing dissolved oxygen levels in water, with areas ranging from 0 mg/L to about 6mg/L
Image courtesy of NOAA
Marine organisms trying to live in the water may not get enough oxygen to survive. Based on this description, which of the following is true?
A.
Nonliving factors, such as the amount of nutrients available, significantly affect the survival of organisms in their environment.
B.
Living factors, such as the number of producers present, play the largest role in the survival of organisms in an ecosystem.
C.
The supply of any nonliving factor supports or limits growth of all organisms in an ecosystem in the same way.
D.
The number of organisms of each type in an ecosystem depends on living factors but not on nonliving factors.
i dont know the answer??
Answer:
A. Nonliving factors, such as the amount of nutrients available, significantly affect the survival of organisms in their environment.
Explanation:
The death of the algae kills oxygen, both are non-living factors
true or false: as an adult, if you had to choose only one of these two foods (corn or beans) to provide you with essential amino acids, you would choose corn, because it provides more essential amino acids than beans.
if you had to choose only one of these two foods (corn or beans) to provide you with essential amino acids, you would choose corn, because it provides more essential amino acids than bean is a false statement.
Although corn does provide more essential amino acids than beans, neither of these foods alone is sufficient to provide your body with all of the essential amino acids. To obtain all of the essential amino acids, you would need to include a variety of different plant-based proteins in your diet, such as lentils, nuts, quinoa, and chickpeas.
For example, corn is high in leucine and tryptophan, but it does not contain methionine and cysteine, which are essential amino acids found in beans. Beans, on the other hand, are a good source of methionine and cysteine, but they lack other essential amino acids such as threonine, isoleucine, and lysine.
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as you are working on a sketch of a dicot leaf for your botany lab report, you want to be sure that you add specific details about the mesophyll. what should you be sure to show in palisade, but not spongy, mesophyll?
When working on a sketch of a dicot leaf for your botany lab report, you should be sure to show the following details in the palisade, but not the spongy mesophyll: longer cells, more tightly packed together, and more chloroplasts per cell.
The mesophyll is the internal tissue of a leaf that consists of chloroplast-containing parenchyma cells. The mesophyll is divided into two layers: the upper palisade layer and the lower spongy layer. The chloroplasts in the mesophyll are responsible for photosynthesis, which is the process that produces glucose from carbon dioxide and water in the presence of light energy.
The mesophyll in a dicot leaf is made up of two different layers: the palisade mesophyll and the spongy mesophyll. Palisade mesophyll is the layer of cells located directly under the upper epidermis of a dicot leaf. These cells are long and tightly packed, with more chloroplasts per cell than the spongy mesophyll. As a result, palisade mesophyll cells are more efficient at absorbing light energy and performing photosynthesis.
The spongy mesophyll is the lower layer of mesophyll cells in a dicot leaf. The cells in this layer are more loosely packed than those in the palisade mesophyll, and they have fewer chloroplasts per cell. Spongy mesophyll cells also have large air spaces between them, allowing for gas exchange and the movement of water vapor out of the leaf.
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in the binomial name for the common fruit fly, drosophila melanogaster, which two taxonomic levels are provided in the name?
The binomial name for the common fruit fly, Drosophila melanogaster, provides two taxonomic levels in the name: the genus and species.
Binomial nomenclature is the system of naming species with a scientific name consisting of two parts: a generic name and a specific name, which together define the species.
The International Code of Nomenclature for algae, fungi, and plants (ICN), which applies to all organisms traditionally treated as plants, also allows for names to be assigned to taxonomic ranks other than species. However, it is customary for the binomial system to be used in all ranks, including the rank of species.
Binomial names, often known as scientific names, consist of two parts: the first part is the generic name or genus name, which identifies the genus to which the species belongs, and the second part is the specific name or species epithet, which identifies the species within the genus.
The word "binomial" comes from the Latin "bi-" meaning "two" and "nomen" meaning "name."
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