Natural Selection and Extinction KS3

Front

What is evolution?

Back

Development of a species over time.

Front

What feature of the pepper moth evolved to allow them to survive when tree bark got darker?

Back

Colour of the wings.

Front

What is variation?

Back

Differences in characteristics.

Front

What is a fossil?

Back

The remains of plants and animals.

Front

What is extinction?

Back

No more individuals of a species left.

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 adaptation?

Back

A trait that helps an organism survive in its environment.

Front

What is a species?

Back

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

Front

What is genetic variation?

Back

Differences in DNA among individuals within a species.

Front

What role do predators play in natural selection?

Back

Predators can influence which individuals survive and reproduce.