8th Grade Science B - Lesson 9: Key Terms and Ideas Flashcard

Front

What is evolution?

Back

Change in inherited traits of organisms over time

Front

Who developed the theory of natural selection?

Back

Charles Darwin

Front

What is natural selection?

Back

When organisms with beneficial traits survive and reproduce more

Front

What is a variation?

Back

Difference in traits caused by mutations

Front

What is an adaptation?

Back

A trait that helps an organism survive

Front

What is a structural adaptation?

Back

A physical feature like body shape or color

Front

What is a behavioral adaptation?

Back

An action that helps survival, like migration

Front

Camouflage

Back

Color or shape that helps an organism blend in

Front

Mimicry

Back

When one species looks like another

Front

What is hibernation?

Back

A state where body processes slow and temperature drops