How do mutations lead to variation?

A.

by signaling proteins to be synthesized

B.

by producing changes in the genetic code

C.

by giving organisms new features for survival

D.

by providing a source of energy for cells

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Imagine a population of mice living at the beach where there is light-colored sand interspersed with patches of tall grass. In this scenario, light-colored mice blend in with the sand, and dark-colored mice can hide in the grass.

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Primary succession occurs in the areas that only have what

How is global climate determined

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