CH 6 Study Guide

Front

How does relative age dating determine the age of fossils?

Back

By comparing fossils found in different layers of rock.

Front

What observation did Charles Darwin make about finches in the Galápagos Islands?

Back

They had beaks suited to different types of food.

Front

What is an example of a structural adaptation?

Back

A chameleon changing color to blend in with its surroundings.

Front

What are the three main types of adaptations?

Back

Structural, behavioral, and functional.

Front

What is artificial selection?

Back

The breeding of organisms to produce desired traits.

Front

What is the definition of adaptation?

Back

A change in an organism that helps it survive in its environment.

Front

What is the difference between structural and behavioral adaptations?

Back

Structural adaptations are physical features, while behavioral adaptations are actions organisms take to survive.

Front

What is natural selection?

Back

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

Front

What role do fossils play in understanding evolution?

Back

Fossils provide evidence of how species have changed over time.

Front

What is the significance of the Galápagos Islands in the study of evolution?

Back

They are home to unique species that helped Charles Darwin develop his theory of natural selection.