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One of the unifying principles of biology is?

a. organisms require no energy input in order to survive.

b. organisms must take in energy and nutrients from outside in order to grow, reproduce and maintain life.

c. organisms are nearly all the same in apperance and function.

d. mammals can mate with similar sized reptiles.

1 Answer

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  • 2 months ago
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    Of those choices, pick this one:

    b. organisms must take in energy and nutrients from outside in order to grow, reproduce and maintain life.

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