Answers
All of an organism's characteristics are inheritable which evolves over millions of years. An example of this is the modern day horse's foot.
What is Evolution?This is referred to as the change in the heritable characteristics of biological populations over successive generations.
All an organism's characteristics can be inherited and evolves over a period of time as a result of the changing environmental conditions which helps them to adjust thereby increasing their chances of survival hence preventing extinction of species.
For example, over millions of years of evolution, many horses lost their side toes and developed a single hoof as a result of them needing to move at faster speeds to evade predators.
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Related Questions
Why are gametes the only haploid cells in your body?
Answers
Gametes are the only haploid cells in the human body because they are the cells involved in sexual reproduction, which requires the combination of one set of chromosomes from each parent to form a new individual. The rest of the cells in the human body are diploid and do not participate in sexual reproduction.
Gametes, which are also known as sex cells, are the only haploid cells in the human body because they are the cells that are involved in sexual reproduction. Haploid cells have a single set of chromosomes, while diploid cells, which make up the majority of cells in the human body, have two sets of chromosomes.
During sexual reproduction, gametes from each parent combine to form a new individual. The gametes from each parent contribute one set of chromosomes to the offspring, so that the resulting diploid cells in the offspring have two sets of chromosomes, one set from each parent.
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Answer:
Human gametes are haploid (n) as they are formed by meiosis during the process of gametogenesis.
Explanation:
Haploid can be described as a cell that contains a single set of chromosomes. The term haploid can also refer to the number of chromosomes in egg or sperm cells.
Haploid gametes lead to the fusion of male and female gametes, by which a diploid zygote is formed and the number of chromosomes remains the same in the progeny.
In humans, gametes are haploid cells that contain 23 chromosomes.
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Polio viruses contain DNA. The viruses in the polio vaccine have DNA in which the base sequence has several differences from the base sequence in the normal polio virus. Suggest how this makes them unable to reproduce in the human body.
Answers
Answer:
The polio strains cannot reproduce because they are weakened.
HELPPPPP!!!!
Which of the following is a correct statement about designing an experiment?
All experiments require expensive laboratory equipment.
Data from one trial is enough to draw a conclusion.
Experiments can be designed and performed by anyone with a curious mind.
Variables do not affect the outcome of an experiment
Answers
Answer:
experiments can be designed and performed by anyone with a curious mind
Explanation:
baking soda and vinegar explosions are an experiment that doesnt require expensive equipment
always do more then one trial, like shooting a basketball, if you shoot once and miss, can you say that you will never make it? or if you make it, can you say that you will never miss?
variables are what you are testing, you have to eliminate as many as possible so they dont effect your experiment
if you have any questions, leave them in the coments and i will try to answer them, if this helped, pls give brainliest.
Who is promotor of binomial system of nomenclature
Answers
Answer: Linnaeus
Explanation: Linnaeus established the practice of binomial nomenclature—that is, the denomination of each kind of plant by two words, the genus name and the specific name, as Rosa canina, the dog rose.
list two differences between dominant and recessive trait and what present in plant in F2 generation by around in mental cross between round and wrinkled plant
Answers
A round seed phenotype and the dominant allele for the roundness trait were present in three-fourths of the f2 plants. Dominant covers the trait of recessive.
What is dominant?An allele is a gene form that can appear as a pair and exhibit either a homozygous or heterozygous phenotype of a characteristic.
Both dominant and recessive forms of the trait can be expressed by these genes. When two organisms are crossed, the F2 generation of the progeny exhibits three phenotypes: homozygous dominant, heterozygous dominant, and recessive.
Therefore, the roundness trait was present in three-fourths of the f2 plants.
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what precaution must be observed when working with alcohol
Answers
Answer:
When handling isopropyl alcohol in a work environment (to best to avoid any contact with skin) protective clothing should be always be worn, including safety gloves and goggles. The area should also be well-ventilated and have a wash station nearby
What effect does a resistor have on electric current?
Answers
Answer:
Limits current flow
This is when a weaker animal copies stronger animals' characteristics to
warn off predators
Answers
Explanation:
Mimicry: When a weaker animal copies stronger animals' characteristics to warn off predators.
Scraping the inside of her cheek with a toothpick, a student was able to collect and view several identical cells on a microscope slide. This suggests the inside of her cheek shows which level of organization?
Select one:
Tissue.
Organ.
Organism.
Organ system.
Answers
Answer:
tissue because its the smallest one and could probably be more accurate
Describe these astronomical bodies that exist in our universe:
o Galaxy:
o Solar system:
o Star:
o Sun:
o Planet:
o Moon:
o Comet:
Answers
Answer:
:
A galaxy is a huge collection of gas, dust, and billions of stars and their solar systems, all held together by gravity
:The Solar System is the gravitationally bound system of the Sun and the objects that orbit it, either directly or indirectly.
:
A star is a luminous ball of gas, mostly hydrogen and helium, held together by its own gravity.
: The Sun is a sphere, composed almost entirely of the elements hydrogen and helium.
: A planet is a large celestial body that revolves around the sun in fixed orbits. Planets do not have any light of their own but reflect the light of the sun.
: The Moon is Earth's only natural satellite, a body that moves around a larger body in space.
: Comets are cosmic snowballs of frozen gases, rock and dust that orbit the Sun. When frozen, they are the size of a small town.
3. Which of the following statements is not part of modern cell theory? A. All living things are made up of multiple cells. B. All living organisms are made up of cells. C. Cells are the basic building blocks of life. D. All cells come from pre-existing cells.
Answers
Answer:
A. All living things are made of multiple cells.
What does it mean to have a mutation in a cystic fibrosis gene
Answers
Answer:In cystic fibrosis, a defect (mutation) in a gene — the cystic fibrosis transmembrane conductance regulator (CFTR) gene — changes a protein that regulates the movement of salt in and out of cells. The result is thick, sticky mucus in the respiratory, digestive and reproductive systems, as well as increased salt in sweat.
Explanation:
When an individual has a healthy cardiovascular system, what is blood pressure and blood volume dependent upon?
A. Amount of water consumed. B
How strong the heart muscle is.
C.
How much salt is consumed.
D
All of the above
Answers
In an individual who has a healthy cardiovascular system, the blood pressure and blood volume dependent upon the amount of water consumed.
What do you mean by Cardiovascular system?The Cardiovascular system may be defined as a system or organs that supply the oxygen and nutrients from the heart and lungs to your whole body.
Foremost, the blood pressure and blood volume are dependent on the pumping of the blood from the heart, the diameter of the arteries, etc. So, it overall reveals how strong the heart muscle is.
Therefore, In an individual who has a healthy cardiovascular system, the blood pressure and blood volume dependent upon the amount of water consumed. It's A.
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Answer:
A
Explanation:
How do I write an email confessing love to a 6 year old?
Answers
Answer:
say "-anonymous if u ain interested or fbi"
Explanation:
PLEASE I NEES THIS TODAY WILL GIVE THANKS AND BRAINLIEST
Answers
Answer:
The wave are following the oscillate wave
Explanation:
15. Which of the following fuel sources is commonly used in less developed
countries because it is easily accessible?
a. Peat
b. Oil
C. Wood
d. Anthracite
Answers
Answer:
C. wood
Explanation:
The fuel sources commonly used in less developed countries is wood.
What is fuel?"A fuel is any material that can be made to react with other substances so that it receives energy as thermal energy or to be used for work."A good fuel should have high calorific value.The fuel that is easily available and cheaper is used by large populations.What do you mean by less developed countries?"Less developed countries has low per capita income and widespread poverty."They use resources that can be easily accessible and cheaper.Hence, the correct option is C. wood.
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A division is always associated with _____.
A. plants
B. animals
C. plants or animals
D. plants and animals
Answers
Division is a biological categorization level that is used to categorize or research plants. Consequently, a division must be related to plants.
What does biological classification imply?Living creatures are categorized by scientists based on their biological characteristics. Organisms are grouped based on how similar they are. In the past, similarity was determined by examining the physical characteristics of an organism, but modern classification uses a variety of techniques, including genetic analysis.
Which are the three categories used in biology?As according similarities and differences, recognized species are divided into several groupings or taxa, which is the definition of classification. Phylogenetic classifications, Natural classifications, & Artificial classifications are the three categories of categorization.
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A marine biologist and her team capture 40 sea turtles
Answers
Question: A marine biologist and her team capture 40 sea turtles and mark them before releasing them. The following year, they capture 60 sea turtles at the same location. Of the 60 sea turtles, only 15 have the mark from the prior year. What is the estimated population of sea turtles for that location? 7 sea turtles 23 sea turtles 160 sea turtles 240 sea turtles
Answer: C) 160 sea turtles
What is in this picture?
Answers
Answer:
Dino DNA!
Explanation:
No seriously though its DNA
Answer:
dna
Explanation:
some type of dna
A hypothesis that is scientific must have a test for proving it
Answers
Answer:
True
Explanation:
If it is a scientific hypothesis, then it has to be tested.
9 ¿Cuál es la similitud entre una marea muerta y una marea de primavera?
Answers
Answer (in English):
Both Spring and Neap tides occur twice each month. Spring tides occur twice each lunar month all year not regarding what season it is. Neap tides, which also occur twice a month, occur when the sun and moon are at right angles of each other.
En Espanol:
Tanto las mareas vivas como las mareas muertas ocurren dos veces al mes. Las mareas de primavera ocurren dos veces cada mes lunar durante todo el año sin importar en qué estación se encuentre. Las mareas muertas, que también ocurren dos veces al mes, ocurren cuando el sol y la luna están en ángulos rectos entre sí.
10. (04.03 HC)
Which substances are needed for cellular respiration?
Use complete sentences to explain how the mass of hydrogen is conserved during cellular respiration. (10 points)
Answers
Chemical reactions that simulate cellular respiration follow the Law of Conservation of Matter when they are balanced. Six carbon atoms, 12 hydrogen atoms, and 18 oxygen atoms are the same number of atoms as the reactants. C₆H₁₂0₆+60₂ — 6C0₂+6H₂0 .
What is cellular respiration?Through the process of cellular respiration, organisms mix oxygen with food molecules, directing the chemical energy contained in these substances toward life-sustaining processes while excreting carbon dioxide and water as waste. Foods are broken down by organisms that do not require oxygen in a process known as fermentation.
What are atoms?A chemical element is uniquely defined by its atoms, which are small units of a substance. An atom is made up of a core nucleus and one or more negatively charged electrons that orbit it. The positively charged, comparatively hefty protons and neutrons that make up the nucleus may be present. The fundamental building components of matter are atoms. Atoms make up anything that has mass and occupies space.
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what are herbivorous plants?
Answers
Answer:
What is herbivory?
Herbivory is the act of eating plants. Herbivory occurs above and below ground. Herbivores may eat any part of the plant above the soil including leaves, stems, flowers, fruit and any part of the plant below the soil including roots and tubers.
What are herbivores plants?
Plants that are parasites can still be considered herbivores. A parasite is an organism that lives on or in another organism and gets its nutrients from it. Parasitic plants get their nutrients from other plants, called host plants.
1. Fill in the blanks
(a) A place where animals are protected in their natural habitat i
called
(b) Species found only in a particular area is known as
c) Migratory birds fly to far away places because of
changes
Answers
Answer:
a.Wildlife sanctuary
b.endemic species
c. Climatic changes
Explanation:
Hope this helps!
why does wildlife conservation necessary whywhy does wildlife conservation necessary why
Answers
Answer:
Conservation of Wildlife is important to protect the endangered plants and animal species along with their natural habitat. The main concern is to preserve the habitats so that the future generations of wildlife and even humans can enjoy it.
Answer:
it is necessary because nowadays many animals are being extincted, in order to stop this wildlife conservations have been established
Dimethylmercury is non polar volatile liquid that is lethal to animals. It’s structure is CH3-Hg-CH3. Predict the mechanism and timeframe of passage into cells for dimethylmercury based upon its chemical properties.
Answers
The dimetylmercury is a fat soluble compound thus it can pass into the cells easily through the lipid bi layer.
How does the compound work?We know that the compounds that are water soluble would have to be ionic. It is very vital that we start the discussion from here because we ought to know that the compounds that are covalent would not be found to dissolve in water.
On the other hand, we have to recall that the entrance of the cell is a nonpolar region as that area is mostly filled with the fats that we can find around there. It then means that the compounds that may be able to pass into the cell very freely has to be the compounds that are fat soluble based on its chemical properties.
We must recall that Dimethylmercury is non polar volatile and as such it can be able to pass through the membrane and enter into the cells.
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Explained the effects of the use of antibodies in the control of a disease
Answers
Answer:
An antibody, also known as an immunoglobulin, is a large Y-shaped protein produced by B- cells and used by the immune system to identify and neutralize foreign objects such as bacteria and viruses.
Each tip of the “Y” of an antibody contains a paratope (a structure analogous to a lock) that is specific for one particular epitope (similarly analogous to a key) on an antigen, allowing these two structures to bind together with precision.
Though the general structure of antibodies is very similar, a small region at the tip of the protein is extremely variable, allowing millions of antibodies with different antigen binding sites to exist. This region is known as the hypervariable region.
Five isotypes of antibodies are found in different locations and perform different specific functions.
The base of the Y plays a role in modulating immune cell activity. This region is called the Fc region, and phagocytes may bind to it to initiate phagocytosis.
Antibodies that bind to surface antigens on a bacterium attract the first component of the complement cascade with their Fc region and initiate activation of the classical complement system.
What are the three parts to a feedback loop?
Answers
2. Coastlines are continually eroded by what
process? sc.6.E.6.2
A longshore currents
B parallel shore currents
C shortshore currents
D perpendicular shore currents
???????????
Answers
Coastlines are continually eroded by longshore currents, which are currents that flow parallel to the shoreline. These currents can be caused by the wind and waves, and they can transport sediment (such as sand and gravel) along the coast. As the sediment is moved and deposited, it can cause the coastline to change shape and erode over time.
Answer:
Explanation:
Coastlines are continually eroded by longshore currents.
Longshore currents are ocean currents that flow parallel to the shoreline. They are created when waves approach the shore at an angle, and the water is deflected by the friction of the bottom and the shape of the coastline. The resulting current flows parallel to the shore, and can cause erosion of the coastline over time.
Parallel shore currents and shortshore currents are not correct terms. Perpendicular shore currents are not a natural phenomenon and do not occur in the real world.
What is the end result of mitosis?
A) one cell with two identical copies of DNA
B) two cells with different copies of DNA
C) one cell with two different copies of DNA
Answers
Answer:
A) one cell with two identical copies of DNA
Explanation:
The end result of mitosis is one cell with two identical copies of DNA.
Answer: A) one cell with two identical copies of DNA
Explanation: Mitosis is a process of cell division that occurs in somatic cells (non-reproductive cells). It involves a series of steps that result in the formation of two identical daughter cells.
During mitosis, the parent cell undergoes several stages: prophase, metaphase, anaphase, and telophase. In prophase, the DNA condenses into visible chromosomes, and the nuclear membrane begins to break down. In metaphase, the chromosomes align in the middle of the cell. In anaphase, the sister chromatids separate and move towards opposite poles of the cell. Finally, in telophase, the nuclear membranes reform around each set of chromosomes, and the cell begins to divide.
At the end of mitosis, each daughter cell contains the same number and type of chromosomes as the parent cell. This means that each daughter cell has an identical copy of the parent cell's DNA. The division of the cytoplasm then occurs in a process called cytokinesis, resulting in two separate daughter cells.
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