Evolution and Natural Selection

Front

What is a change in an organism that allows it to survive in its environment?

Back

Adaptation

Front

What is the process by which individuals that are better suited to the environment survive and reproduce?

Back

Natural Selection

Front

What are remains of ancient organisms called?

Back

Fossils

Front

What is another word for adapt?

Back

Change

Front

What does it mean to adjust to a changing environment?

Back

Adapt

Front

What is the term for the gradual change in species over time?

Back

Evolution

Front

What is the mechanism by which evolution occurs?

Back

Natural Selection

Front

What is the term for a trait that increases an organism's chance of survival?

Back

Adaptive Trait

Front

What is the difference between adaptation and acclimatization?

Back

Adaptation is a genetic change over generations, while acclimatization is a short-term physiological adjustment.

Front

What is the significance of genetic variation in a population?

Back

It provides the raw material for natural selection.