The fact that sickled red blood cells carry less oxygen than normal red blood cells demonstrates that the mutations in the DNA that codes for hemoglobin can change the structure and function of hemoglobin.
The correct option is D.
What is hemoglobin?Hemoglobin is a protein that is found in red blood cells that carries oxygen from the blood to cells and tissues where they are needed.
The function of hemoglobin is related directly to its structure.
A mutation in the gene that codes for hemoglobin will result in adefor ation of the structure of hemoglobin, us rendering it unable to transport oxygen effieciently.
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The somatic and autonomic reflex pathways both consist of three neurons. Choose the three neurons that apply to the somatic reflex ONLY. A. Interneuron B. Post-Ganglionic neuron C. Sensory neuron D. Motor neuron E. Pre-Ganglionic neuron
The 3 neurons that apply the somatic reflex are
sensory neuroninterneuronmotor neuronThe function of the sensory neuron is to carry information and data from the receptor to the spinal cord.
The interneuron is present in the spinal cord and is connected to the sensory neuron with the help of a motor neuron.
The motor neuron helps to carry data and information from the spinal cord to an effector, hence presenting a response.
A somatic reflex refers to the that is involuntary stimulus received from the external environment. For this process to be dynamic the responses from the receptors directly transfer the signals to directly to the spinal cord.
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5.
A student hypothesized that lettuce seeds.
would not germinate (begin to grow) unless
they were covered with soil. The student
planted 10 lettuce seeds under a layer of soil
and scattered 10 lettuce seeds on top of the
soil. The data collected are shown in the
accompanying table.
Data Table
Seed Treatment
Planted under soil
Scattered on top of soil
Number of Seeds
Germinated
9
8
To improve the reliability of these results, the
student should
A. conclude that darkness is necessary for
lettuce seed germination.
B. conclude that light is necessary for lettuce
seed germination
C. revise the hypothesis
D. repeat the experiment using a larger sample
size
To improve the reliability of these results, the student should repeat the experiment using a larger sample size (Option D).
Based on the data, 9 out of 10 seeds germinated when planted under the soil, and 8 out of 10 germinated when scattered on top of the soil.
The student's hypothesis that lettuce seeds wouldn't germinate without soil coverage is disproven by the results.
However, to improve the reliability and conclusiveness of the results, the student should repeat the experiment using a larger sample size (Option D).
This would allow for more data points, reducing the impact of any outliers or random occurrences and providing a more accurate representation of the germination process.
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The probable question may be "What other factors could potentially affect the germination rate of lettuce seeds, and how could they be controlled in future experiments to improve the accuracy of the results?"
The _
model of population growth assumes that
the rate of growth is proportional to both the population size
and the availability of resources
The rate of growth of a population is not solely determined by its size, but also by the availability of resources.
This is because resources, such as food and water, are essential for survival and reproduction. As the population size increases, there is a higher demand for resources, which can lead to competition for these resources. When resources are scarce, individuals may struggle to survive and reproduce, resulting in a slower rate of growth. However, when resources are abundant, individuals are more likely to survive and reproduce, leading to a faster rate of growth.
Thus, the rate of growth is proportional to both the population size and the availability of resources. Understanding the relationship between population size and resource availability is crucial for managing populations, particularly in situations where resources are limited. Effective management strategies can ensure that populations have access to the resources they need to thrive, while minimizing negative impacts on the environment.
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Why is the number of hours of daylight 24 seen by the observer at location c on june 21.
The number of hours of daylight seen by an observer at location c on June 21 is 24. This is due to the fact that June 21 marks the summer solstice in the northern hemisphere, which is the longest day of the year.
During the summer solstice, the sun is at its highest point in the sky, and the tilt of the Earth's axis is such that the observer at location c is receiving direct sunlight for the entire 24 hours of the day.
The summer solstice also marks the beginning of summer in the northern hemisphere, and the sun's rays are the strongest and most direct they will be all year. This causes the days to be longer and the nights to be shorter, with 24 hours of daylight for the observer at location c on the summer solstice.
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3. Certain mammals have large ears with a high density of blood vessels to release
body heat. Which animal most likely needs this adaptation?
CLE
A desert-dwelling mammal that needs this adaptation is the fennec fox, also known as the fennec or desert fox.
The fennec fox is a small mammal with a distinctive long, bushy tail and large, round ears, which are one of its most defining features. The fennec fox has evolved to have large ears with a high density of blood vessels that help it to release excess body heat and keep cool in the extreme desert temperatures.
This adaptation allows the fennec fox to effectively regulate its body temperature, enabling it to survive in the desert heat. The fennec fox is well adapted to living in the desert and its large ears are an important part of this adaptation.
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During the process of photosynthesis, light energy is used to synthesize glucose molecules. Which product from this process is used to convert the glucose to energy during cellular respiration?.
The product of photosynthesis, glucose, is broken down during cellular respiration to release energy that the cell can use.
The molecule responsible for this energy transfer is ATP, or adenosine triphosphate. During cellular respiration, glucose is broken down through a series of chemical reactions, producing ATP as a byproduct.
ATP is then used as the primary energy source for cellular processes, including muscle contraction, protein synthesis, and the transportation of molecules across the cell membrane.
In essence, the glucose produced during photosynthesis serves as a fuel source for the cell, while ATP acts as the energy currency that facilitates the conversion of this fuel into usable energy.
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why do our lungs slightly tickle, when you try to hold your deep breath in.
I am talking about the time around 10-20 seconds when you start to have a sensation that tries to force you to release.
The sensation of tickling or discomfort that you may feel when trying to hold your breath for an extended period of time is due to the buildup of carbon dioxide (CO2) in your bloodstream.
When you inhale, oxygen enters your lungs and is transported to your body's cells through the bloodstream. As the cells use oxygen to produce energy, they also produce CO2 as a waste product. The CO2 then travels back to the lungs, where it is exhaled out of the body.
When you hold your breath, the body's cells continue to use oxygen and produce CO2. However, since you are not exhaling, the CO2 builds up in your bloodstream, causing the blood to become more acidic. This change in pH triggers the body's respiratory center, which sends a signal to the lungs to breathe in air and release the CO2.
The sensation of tickling or discomfort that you feel is your body's way of telling you to breathe in air and release the CO2. If you continue to hold your breath, the discomfort may increase and eventually become painful, and you may also start to feel dizzy or lightheaded due to the lack of oxygen.
12. A pump located in a cell's plasma membrane transports sodium and ___________.
Answer: Potassium
Explanation:
[Ch 22*] Experiments on learning in animals sometimes measure how long it takes mice to find their way through a maze. Only half of all mice complete one particular maze in less than 18 seconds. A researcher thinks that a loud noise will cause the mice to complete the maze faster. She measures the proportion of 40 mice that completed the maze in less than 18 seconds with noise as a stimulus. The proportion of mice that completed the maze in less than 18 seconds is:
The hypotheses for the test to answer the researcher's question are:
O H : p = 0.5 (null hypothesis)
H A : p > 0.5 (alternative hypothesis)
According to the null hypothesis, there is no discernible difference in the percentage of mice who finish the maze in under 18 seconds with and without noise. According to the alternative theory, considerably more mice than 50% completed the labyrinth in less than 18 seconds when there was noise.
The alternative hypothesis defines the direction of the difference, hence this is a one-tailed test.
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Full Question: Experiments on learning in animals sometimes measure how long it takes mice to find their way through a maze. Only half of all mice complete one particular maze in less than 18 seconds. A researcher thinks that a loud noise will cause the mice to complete the maze faster. She measures the proportion of 40 mice that completed the maze in less than 18 seconds with noise as the stimulus. The proportion of mice that completed the maze in less than 18 seconds is p = 0.7. The hypotheses for a test to answer the researcher's question are
O H : p=0.5, H. :p <0.5
O H: p=0.5, H:p > 0.5.
OH :p0.5, H.:P *0.5.
OH:p> 0.5, H.:P +0.5.
The sugar in DNA is called ribose.
True
False
Answer:
False
Explanation:
The sugar in DNA is deoxyribose, hence the D in DNA.
Ribose is the sugar found in RNA, hence the R.
The given statement "The sugar in DNA is called ribose." is False.
The sugar in DNA is called deoxyribose, not ribose. Deoxyribose is a five-carbon sugar molecule that lacks an oxygen atom at the 2' position of the ribose ring.
This difference in structure between deoxyribose and ribose is what distinguishes DNA from RNA, which uses ribose as its sugar component.
The presence of the hydroxyl group (-OH) at the 2' position in ribose makes it more susceptible to hydrolysis and therefore more reactive than deoxyribose.
The structure of the sugar molecule is an important aspect of DNA because it plays a key role in the formation of the DNA double helix. The sugar molecules of each strand of DNA alternate with phosphate groups to form the backbone of the helix.
The nitrogenous bases attach to the sugar molecules to form the rungs of the ladder. Therefore, the correct identification of the sugar in DNA is critical to understanding the structure and function of the molecule.
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salmonella makes acids such as lactic acid and acetic acid when fermenting glucose. what color would a tube of this bacteria appear after addition of methyl red question 9 options: a) clear b) yellow c) red d) blue
Salmonella makes acids such as lactic acid and acetic acid when fermenting glucose. After addition of methyl red, the color that would appear in a tube of this bacteria is red. The correct answer is option c.
Salmonella is a type of bacteria that can cause food poisoning in humans. It is known to produce acids such as lactic acid and acetic acid when it ferments glucose. The addition of methyl red to a tube of salmonella can help determine its ability to produce acid. Methyl red is a pH indicator that changes color in response to the presence of acid.
If the tube of salmonella contains enough acid to lower the pH below a certain threshold, the methyl red will turn red. This indicates a positive result for the production of acid. On the other hand, if the pH is not low enough, the methyl red will remain yellow, indicating a negative result.
Therefore, the answer is option C) red. This means that the salmonella bacteria in the tube were able to produce enough acid to lower the pH and turn the methyl red indicator red.
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What cells found in nervous tissue function in a supportive role only, supplying growth factors and nutrients to other resident tissue cells
Supportive cells found in nervous tissue supply growth factors and nutrients to other resident tissue cells.
These cells, known as glial cells, are divided into several categories, including oligodendrocytes, astrocytes, microglia, and ependymal cells. Oligodendrocytes provide insulation for axons by creating a fatty sheath around them known as myelin, which helps signals travel quickly along the axon.
Astrocytes are the largest and most numerous of the glial cells and play a variety of roles. They provide support to neurons by supplying them with nutrients, clearing away waste, and forming connections between neurons. Microglia act as the immune cells of the central nervous system, surveying the environment for signs of injury or infection.
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which of the following are characteristics shared between humans and apes? select all that apply. group of answer choices big toe and thumb separate from other digits stereoscopic vision femurs that turn inward toward the knee spines that have the same curvatures rotating shoulder joint
The characteristics shared between humans and apes are big toe and thumb separate from other digits, stereoscopic vision, and rotating shoulder joint, the correct options are a, b, and e.
Both humans and apes have opposable thumbs, which allow them to grasp and manipulate objects, and a big toe that is separated from the other digits, which helps with balance and stability. Both humans and apes have two eyes that are located in the front of their heads, which allows for depth perception and the ability to judge distances accurately.
They have a rotating shoulder joint, which allows for a wide range of arm movements and the ability to reach and grasp objects from different angles, the correct options are a, b, and e.
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The complete question is:
Which of the following are characteristics shared between humans and apes? select those that apply:
a. big toe and thumb separate from other digits
b. stereoscopic vision
c. femurs that turn inward toward the knee
d. spines that have the same curvatures
e. rotating shoulder joint
Exchange between a blood vessel and the cells that surround it can occur only in:.
Exchange between a blood vessel and the cells that surround it occurs through the process of diffusion and is essential for the delivery of oxygen and nutrients to cells and the removal of waste products from the body.
This exchange can only occur in the smallest blood vessels, known as capillaries, due to their thin walls and close proximity to surrounding cells.
In capillaries, oxygen and nutrients diffuse out of the blood and into the surrounding tissues, while waste products and carbon dioxide diffuse from the tissues into the blood for transport to the lungs and kidneys for elimination. The process of exchange between blood vessels and cells is crucial for maintaining the health and function of all tissues and organs in the body.
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In what form is the hereditary information encoded in the DNA molecule?
Hereditary information is encoded in the DNA molecule in the form of nucleotide sequences, which consist of four types of nitrogenous bases: adenine (A), thymine (T), cytosine (C), and guanine (G).
These sequences make up the genetic code that determines an organism's traits and is passed down from generation to generation.
During reproduction, when cells divide, DNA is replicated, and the genetic information is passed from parent to offspring. The process of DNA replication ensures that each new cell receives an identical copy of the genetic code.
This fidelity in replication is crucial for maintaining the integrity of the genetic information across generations.
Additionally, variations in the nucleotide sequences contribute to genetic diversity. Mutations, which are changes in the DNA sequence, can occur spontaneously or as a result of external factors such as radiation or chemicals.
These mutations can introduce new variations in the genetic code, which may lead to different traits and phenotypes in individuals.
The hereditary nature of DNA allows for the transmission of genetic information from one generation to the next. Offspring inherit a combination of DNA sequences from both parents, which contributes to their unique genetic makeup.
This inheritance process, along with the interaction between genetic information and environmental factors, shapes an individual's traits and characteristics.
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Each year, a daylily farm sells a portion of their daylilies and allows a portion to grow and divide. The recursive formula mc009-1. Jpg represents the number of daylilies, a, on the farm after n years. After the fifth year, the farmers estimate they have 2,225 daylilies. How many daylilies were on the farm after the first year?.
The number of daylilies on the farm after the first year was approximately 3,630.
The recursive formula given represents the number of daylilies on a farm after n years. After five years, the farm has 2,225 daylilies. To find the number of daylilies after the first year, the formula needs to be evaluated with n = 1, which gives a value of 80.
Substituting n = 1 in the formula, we get:
a₁ = 0.8a₀ + 250
where a₀ represents the initial number of daylilies on the farm.
To solve for a₀, we are given that after the fifth year, the number of daylilies on the farm is 2,225. Thus, we can use the formula to work backwards from the fifth year to the first year:
a₅ = 0.8a₄ + 250
a₄ = 0.8a₃ + 250
a₃ = 0.8a₂ + 250
a₂ = 0.8a₁ + 250
a₁ = 0.8a₀ + 250
We are given that a₅ = 2,225, so we can substitute this value into the formula for a₅ to find a₄. We can then substitute this value into the formula for a₄ to find a₃, and so on, until we find a₁:
a₅ = 0.8a₄ + 250
2,225 = 0.8a₄ + 250
1,975 = 0.8a₄
a₄ = 2,468.75
a₄ = 0.8a₃ + 250
2,468.75 = 0.8a₃ + 250
2,218.75 = 0.8a₃
a₃ = 2,773.44
a₃ = 0.8a₂ + 250
2,773.44 = 0.8a₂ + 250
2,523.44 = 0.8a₂
a₂ = 3,154.30
a₂ = 0.8a₁ + 250
3,154.30 = 0.8a₁ + 250
2,904.30 = 0.8a₁
a₁ = 3,630.38
Therefore, by calculating we can say that the number of daylilies on the farm after the first year was approximately 3,630.
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Answer:
C) 600
Explanation:
What is the most important mechanism for transmitting qualitative information?.
The most important mechanism for transmitting qualitative information is through language. Language is a complex and highly developed system of communication that allows humans to convey ideas, emotions, and concepts using a set of agreed-upon symbols and rules.
It is a uniquely human ability that allows us to communicate not only basic needs but also complex and abstract concepts. Language is a dynamic system that can be spoken, written, or signed, and it is constantly evolving and adapting to meet the changing needs of society.
Through language, we are able to share knowledge, collaborate, and build communities, making it a crucial tool for social and cultural development.
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Help hurryyyyyyyyyyyyyyyyyy
Answer:A chemical equation is shown.
3H2 + 2C12 -> HCI
Is this equation balanced? Explain your answer, and include the characteristics of a balanced equátion.
Explanation:Based on the given chemical equation:
3H2 + 2C12 -> HCINo, this equation is not balanced.A balanced chemical equation has the same number of atoms of each element on both sides of the equation. In this equation, the number of hydrogen atoms (H) and chlorine atoms (Cl) are not equal on both sides.On the left-hand side (LHS), there are 3 molecules of hydrogen gas (H2), which means a total of 6 hydrogen atoms (3 x 2 = 6). However, on the right-hand side (RHS), there is only 1 hydrogen atom in hydrochloric acid (HCI). So, the number of hydrogen atoms is not balanced.Similarly, on the LHS, there are 2 molecules of chlorine gas (Cl2), which means a total of 4 chlorine atoms (2 x 2 = 4). However, on the RHS, there is only 1 chlorine atom in hydrochloric acid (HCI). So, the number of chlorine atoms is also not balanced.In a balanced chemical equation, the number of atoms of each element must be the same on both sides of the equation, following the law of conservation of mass. To balance this equation, coefficients (numbers in front of the chemical formulas) can be adjusted to ensure that the number of atoms of each element is the same on both sides. For example:3H2 + 2Cl2 -> 6HCINow, the equation is balanced as there are equal numbers of hydrogen and chlorine atoms on both sides of the equation.
Does the process of glycolysis require oxygen? (not including Krebs or the Electron Transport)
Answer:
Glycolysis
(Link reaction)
Krebs Cycle/TCA cycle
Electron transport chain/oxidative phosphorylation
Explanation:
is it true that Oligosaccharides are long chain glucose molecules that bind together
Oligosaccharides are carbohydrates that consist of a few (typically 3-10) monosaccharide units (simple sugars) linked together by glycosidic bonds.
However, they are not necessarily composed of only glucose molecules; they can be made up of a combination of different monosaccharides such as glucose, fructose, galactose, etc.
Oligosaccharides can be found in many biological systems, including in glycoproteins and glycolipids in the cell membrane, where they play important roles in cellular recognition and signaling. Some oligosaccharides are also used as prebiotics in the human diet, as they are not digested in the small intestine and can be selectively fermented by beneficial gut bacteria.
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For humans, long needles are more favorable, because they allow more room for hanging ornaments. Describe the genotypes of two parents that would give scientists the best chance for producing "baby" trees that possess the long-needle trait. Use a Punnett square as evidence for your description
The genotypes of the two parents that would give scientists the best chance for producing "baby" trees with the long-needle trait are both homozygous dominant (LL).
To determine the genotypes of two parents that would give scientists the best chance for producing "baby" trees with the long-needle trait, we can use a Punnett square as evidence for our description.
1. First, let's represent the long-needle trait with a dominant allele (L) and the short-needle trait with a recessive allele (l).
2. In order to maximize the chance of producing offspring with the long-needle trait, both parents should have at least one dominant allele (L) in their genotypes.
3. The best chance for long-needle offspring would be if both parents have the homozygous dominant genotype (LL).
Now let's create a Punnett square:
L L
--------------
L | LL LL
--------------
L | LL LL
Using the Punnett square, we can see that all offspring (100%) will have the homozygous dominant genotype (LL), which corresponds to the long-needle trait. Therefore, the genotypes of the two parents that would give scientists the best chance for producing "baby" trees with the long-needle trait are both homozygous dominant (LL).
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Ecologists have listed four main ways that species and individuals affect other—competition, ___________and prey, symbiosis, and coevolution.
Majority minority states, where whites are not the majority of the population, are:.
The majority minority states, where whites are not the majority of the population, are Hawaii, California, New Mexico, Texas, Nevada, Maryland, Georgia, Florida, New York and Arizona.
The demographics of some of the states listed as majority-minority states are rapidly changing due to a variety of factors such as immigration, birth rates, and aging populations.
For example, in some states, the Hispanic population is growing faster than any other ethnic group, which could eventually lead to a change in the majority-minority status of the state.
Additionally, as the population of certain ethnic groups grows, they may become more geographically dispersed, leading to a decrease in their concentration in specific states or regions.
This could result in a shift in the majority-minority status of certain states or regions. It's worth noting that the demographics of some of these states are rapidly changing, and some may no longer meet the criteria of being a majority-minority state in the future.
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Model 1 illustrates four major areas of water storage on Earth. They are the atmosphere, surface water, oceans , and
Model 1 illustrates four major areas of water storage on Earth: the atmosphere, surface water, oceans, and groundwater.
Why is ground water part of the earth storage?Because it makes up a sizeable share of the total amount of freshwater on the planet, groundwater is a component of the Earth's water storage. Groundwater is refilled by precipitation that seeps into the ground.
It is water that is found below the Earth's surface, in the crevices between rocks and soil particles. This water is a significant source of irrigation and drinking water for many communities since it can be kept for extended periods of time.
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Which from the list below can affect the rate of a reaction? (Choose all that apply).
Group of answer choices
heat
light
buffers
enzymes
temperature
The rate of reaction is the speed at which a reaction occurs, and depends on enzymatic activity, which is limited by temperature and pH. Option E. Temperature is the factor that affects the rate of a reaction.
What is the rate of reaction?
When talking about the rate of reaction we refer to the speed at which a chemical reaction occurs, turning reactants into products.
It can be measured as
the concentration of reactant consumed in a certain timethe concentration of product formed during the same time.The rate of reaction depends on the reactant concentration and on enzyme concentration.
Enzymatic activity is limited by pH and temperature. Every enzyme has an optimum pH and temperature level at which their activity is the highest.
Over this point the enzyme denaturalizes and loses its functions. Bellow this point, the enzyme has not reached its maximum activity.According to this framework, temperature is the one that affects the rate of a reaction. Option E.
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Question:
__ data includes descriptions, observations, and explanations.
Answer:
qualitative
Explanation:
The easiest way to tell qualitative and quantitative data apart is that qualitative has an L that can stand for looks and quantitative an N that stands for numbers
Complete the T-chart by categorizing each statement as an advantage or disadvantage of sexual reproduction.
Not all mutations are passed on.
It is time and energy consuming.
The reproduction process is slow.
It provides genetic variation.
Advantages:
It provides genetic variation.Disadvantages:
Not all mutations are passed on.It is time and energy consuming.The reproduction process is slow.Sexual reproduction is a process that involves the fusion of two gametes, usually from different parents, to form a new individual. This process has advantages and disadvantages. One of the main advantages is that it provides genetic variation, which increases the chances of survival of a species in changing environments. Genetic variation is important because it allows organisms to adapt to new environmental conditions, avoid predators, and increase their chances of reproduction.
However, sexual reproduction also has several disadvantages. For example, not all mutations are passed on, which means that some beneficial mutations may not be transmitted to the offspring. Additionally, sexual reproduction is a time and energy-consuming process that requires finding a mate, courtship rituals, and fertilization. Finally, the reproduction process is slow compared to asexual reproduction, which can produce many offspring quickly.
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I Kudzu is a vine imported from Japan to the US in the 1800s. By the 1930s, farmers were encouraged by the government to plant kudzu for erosion control. Now common throughout the southeastern U. S. , the vine grows fast and kills native species by blanketing vegetation with leaves and choking trees by encircling them with vines.
II The brown marmorated stink bug is an agricultural pest, native of mainland China and first observed in Pennsylvania in 1998. It is thought to have entered the US by stowing away on packing crates of cargo ships. Piercing mouth parts cause serious damage to apples, persimmons, peaches, cucumbers, grapes, and other crops.
III Around 1987, zebra mussels were discovered in the Great Lakes region where they became a serious nuisance. Native to the Black and Caspian Seas of Eurasia, these mollusks coat the undersides of docks and boats and clog pipes and plumbing.
What do kudzu, zebra mussels, and brown marmorated stink bugs have in common?
Kudzu, zebra mussels, and brown marmorated stink bugs are all invasive species that were introduced to the United States from other parts of the world.
They have all caused significant damage to the environment, including killing native species, damaging crops, and clogging pipes and plumbing. They were introduced from other countries (kudzu from Japan, zebra mussels from Eurasia, and brown marmorated stink bugs from China) and have caused significant ecological and economic damage to their new environments, as they negatively impact native species, agriculture, and infrastructure. Kudzu—or kuzu (クズ)—is native to Japan and southeast China. It was first introduced to the United States during the Philadelphia Centennial Exposition in 1876 where it was touted as a great ornamental plant for its sweet-smelling blooms and sturdy vines.
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Which process, which happens only in autotrophs, supplies most of the
energy for all of Earth's organisms?
O A. Decomposition
OB. Photosynthesis
OC. Cellular respiration
OD. Chemosynthesis
Answer:
B. Photosynthesis
Explanation:
Word bank ( Atom, Electron, Proton, Matter, Mixture, Compound, Neutron)
1 Anything that has mass and takes up space _________
2 The smallest particle of an element ____________
3 Made of two or more different atoms bonded together ____________
4 Made a different atoms and/or compounds not chemically bonded together_________
5 No charge. Found in nucleus. Gain or loss of these particles results in a loss of mass and release of large amount of energy. Isotope results. _______________
6 Positive charge. Found in nucleus. Gain our loss of these particles produces an entirely different element. ___________
7 Negative charge. Found in moving orbits around the nucleus, use to create bonds between atoms. Gain or loss of these particles produce ions __________
1. Anything that has mass and takes up space is called matter.
2. The smallest particle of an element is called an atom.
3. Made of two or more different atoms bonded together called molecule.
4. Made a different atoms and/or compounds not chemically bonded together called mixture.
5. No charge particles found in the nucleus are called neutrons. Gain or loss of these particles results in a change in the atomic mass and may lead to the formation of isotopes.
6.Positive charge. Found in nucleus. Gain our loss of these particles produces an entirely different element. Electrons.
7. Negative charge. Found in moving orbits around the nucleus, use to create bonds between atoms. Gain or loss of these particles produce ions called electrons.
What is an isotope?
Atoms with the same number of protons but different numbers of neutrons are described as isotopes.
Isotopes share almost the same chemical properties, but differ in mass and therefore in physical properties.
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