Natural Selection and Evolution

Front

What is the term for a species that no longer has any known living individuals?

Back

Extinction

Front

Which color of moth is expected to increase in population in a dark environment?

Back

Dark

Front

Who was the naturalist that traveled the world to study plants and animals?

Back

Charles Darwin

Front

According to Darwin, organisms with traits best suited to their environment will _____________.

Back

increase in number

Front

Which continent do scientists believe the human species originated from?

Back

Africa

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 is adaptation in the context of evolution?

Back

A change in a species that makes it better suited to its environment.

Front

What is speciation?

Back

The formation of new and distinct species in the course of evolution.

Front

What role does genetic variation play in natural selection?

Back

Genetic variation provides the raw material for natural selection to act upon.

Front

What is the significance of Charles Darwin's theory of evolution?

Back

It explains how species change over time through the process of natural selection.