Question

7. What is biological classification?
8. What is a dichotomous key?
Animals are classified into two groups based on the
presence or absence of _____.

Answer 1

Answer:

Classification, in biology, the establishment of a hierarchical system of categories on the basis of presumed natural relationships among organisms. The science of biological classification is commonly called taxonomy

A dichotomous key is a tool that allows the user to determine the identity of items in the natural world, such as trees, wildflowers, mammals, reptiles, rocks, and fish.

Animals are classified based on layers of cells, presence or absence of coelom. Further higher the hierarchy animals are classified based on presence or absence of smaller features, like presence or absence of four legs.

Explanation:

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Answer 2

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Here is your answer freind:

7.Classification, in biology, the establishment of a hierarchical system of categories on the basis of presumed natural relationships among organisms.

8.A dichotomous key is a tool that allows the user to determine the identity of items in the natural world, such as trees, wildflowers, mammals, reptiles, rocks, and fish. Keys consist of a series of choices that lead the user to the correct name of a given item. "Dichotomous" means "divided into two parts".

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