Evolution and Natural Selection

Front

What is the gradual change in species over time?

Back

Evolution

Front

What do we call it when an organism completely dies out?

Back

Extinction

Front

What are the remains of ancient organisms called?

Back

Fossils

Front

What term describes the white feathers of a snowy owl that help it blend in with its snowy environment?

Back

Adaptation

Front

Which type of moth would likely increase in population in a dark environment?

Back

Dark moths

Front

What is the process by which organisms better adapted to their environment tend to survive and produce more offspring?

Back

Natural Selection

Front

What is a change in a species over time that can lead to new species?

Back

Evolution

Front

What is the term for a trait that helps an organism survive in its environment?

Back

Adaptation

Front

What do we call the process of preserving the remains of ancient organisms?

Back

Fossilization

Front

What is the term for a variation in a species that can lead to evolution?

Back

Mutation