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Animals are often grouped as

a. vertebrates or invertebrates.
b. heterotrophs or autotrophs.
c. walkers or crawlers.
d. swimmers or runners.

2 Answers

5 votes

Answer :vertebrates

Explanation:

User NikT
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3 votes

The answer is (a.) vertebrates or invertebrates

There are two main classifications of animals: vertebrates and invertebrates. The difference between the two is the vertebrates have backbones or a spinal column while the invertebrates do not have. A human is an example of a vertebrate and flatworms and other insects are examples of invertebrate.

User LeeNeverGup
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