Front

What is extinction?

Back

Extinction occurs when all members of a species have died.

Front

What is another word for an evolutionary tree?

Back

Cladogram.

Front

How does evolution occur?

Back

Evolution occurs over multiple generations.

Front

What does an evolutionary tree show?

Back

It shows the relationships between different groups of organisms and their common ancestors.

Front

What is natural selection?

Back

Natural selection is the process by which organisms that inherit advantageous traits tend to reproduce more successfully than others.

Front

What is a common ancestor?

Back

A common ancestor is an organism from which two or more different species have evolved.

Front

What is the significance of fossils in understanding evolution?

Back

Fossils provide evidence of past life forms and show how species have changed over time.

Front

What is a cladogram used for?

Back

A cladogram is used to illustrate the evolutionary relationships among various species.

Front

What is the difference between artificial selection and natural selection?

Back

Artificial selection is the process by which humans breed organisms for desired traits, while natural selection is driven by environmental pressures.

Front

What is the role of mutations in evolution?

Back

Mutations introduce genetic variation, which can lead to new traits that may be advantageous for survival.