Answer:
In biology, evolution is the change in the inherited traits of a population from generation to generation. These traits are the expression of genes that are copied and passed on to offspring during reproduction. ... Genetic drift arises from the role chance plays in whether a given individual will survive and reproduce.
Heredity - This is the passing on of traits from parents to their offspring either through sexual reproduction or asexual reproduction.
Explanation:
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Answer:
answer is D
fever causes the secretion of antibodies which r proteins to fight the harmful substances that r antigens
Answer:
A nucleotide consists of a sugar molecule (either ribose in RNA or deoxyribose in DNA) attached to a phosphate group and a nitrogen-containing base. The bases used in DNA are adenine (A), cytosine (C), guanine (G), and thymine (T). In RNA, the base uracil (U) takes the place of thymine.
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Explanation:
Food chain is the process or method that connects plants and animals to the ecosystem. In this process, herbivorous animals feed on plant for their nutrition and the carnivorous animals feed on the herbivores as their source of food.
Soil plays a key role in this process as it contains many molecules like phosphorous, nitrogen etc. which is taken up by the plants through roots and hence consumed by the animals. This is how energy ascends from one trophic level to another although there is a decrease in each increasing trophic level.