Evolution Review

Front

What word describes a trait that helps an organism survive in its environment?

Back

adaptation

Front

Almost all adaptations started off as?

Back

mutations

Front

Why are advantageous or beneficial traits more likely to be passed onto offspring?

Back

Because those traits make them more likely to survive and reproduce.

Front

Structures with the same bone structure but different functions (jobs) suggest that organisms share a common ancestry. What are these structures called?

Back

homologous structures

Front

Which of the following is an example of a vestigial structure? Options: the wings of a red-tailed hawk, the hind limbs of a house cat, the fins of sharks, the tailbone of a human

Back

the tailbone of a human

Front

Two organisms that are closely related but not clones would have...

Back

very similar DNA sequences

Front

What does Darwin's theory of evolution suggest?

Back

species change over time

Front

Example of a population of ladybugs where black bugs are more successful in escaping predators, leading to a loss of red color over time.

Back

Natural Selection

Front

A lion gets chased off from his pride, then joins another pride. He mates with a lioness and makes 6 lion cubs. This is an example of?

Back

Gene Flow

Front

A hurricane wipes out half the population of blue jays in Cape Hatteras, North Carolina. This is an example of?

Back

Genetic Drift