Natural Selection and Evolution

Front

What is it called when an organism completely dies out?

Back

Extinction

Front

What term describes the process that makes an organism more suited to its environment?

Back

Adaptation

Front

What do we call the genetic differences between organisms of the same species?

Back

Variation

Front

What does it indicate if an organism is surviving and reproducing?

Back

It is adapting.

Front

What would indicate that a series of fossils represent evolution?

Back

The fossils show similarities.

Front

What is the process by which species change over time?

Back

Evolution

Front

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

Back

Adaptation

Front

What is the term for a change in a species over time due to environmental pressures?

Back

Natural Selection

Front

What is the term for the variety of life in the world or in a particular habitat?

Back

Biodiversity

Front

What is a fossil?

Back

A preserved remains or impression of a once-living organism.