Structures that have different mature forms but develop from similar embryonic tissue are

Species alive today descended with ______________ from ancestral species from the past.

More organisms are produced than can survive so they must __________ for resources such as food.

Diverse species evolved from a ______________ _____________.

Living things on Earth have been evolving for ___________ of years.

Which is an example of behavioral isolation?

All the genes in a particular population make up its

All the members of a species living in a particular area make up a (an)

Traits controlled by more than one gene, such as human height, are known as

The evolution of Darwin's finches is an excellent example of

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