Biology Evolution + Course Review

Front

What does the fossil record indicate about evolution?

Back

It shows that the structure of groups of organisms has changed over time.

Front

What is the most appropriate question to determine if two organisms are the same species?

Back

Can both organisms produce fertile offspring together?

Front

What happens to local populations that cannot adapt to new environmental conditions?

Back

They become extinct.

Front

What supports the evolutionary relationship of animals with similar forelimb bones?

Back

The animals share a common ancestry but have adapted to different environments.

Front

How do spines and thorns on plants provide evidence for evolution?

Back

It shows that environmental pressures can cause unrelated organisms to change in similar ways.

Front

What is evolution?

Back

The process by which different kinds of living organisms develop and diversify from earlier forms.

Front

What is natural selection?

Back

The process where organisms better adapted to their environment tend to survive and produce more offspring.

Front

What is a species?

Back

A group of organisms that can interbreed and produce fertile offspring.

Front

What is a common ancestor?

Back

An ancestral species from which multiple species have evolved.

Front

What is adaptation?

Back

A trait that helps an organism survive and reproduce in its environment.