A(n) ___________ is a group of organisms that look alike and can reproduce among themselves.

Change in the heredity features of a type of organism over time is

__________________________ is an adaptation that enables an organism to blend into its environment.

Survival of the fittest

Evolution as a result of acquired characteristics

A trait that makes an individual different from other members of its species

Rapid evolution with few intermediate forms

A(n) ________________ is any variation that makes an organism better suited to its environment.

As the food source in a bird's environment changes from insects to seeds with hard shells, which adaptation would best enable the bird species to survive?

According to Darwin's Theory of Evolution, what is the most natural way for a species to become extinct?

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