Unit 8: Evolution

Question 1

The process by which living things change over time. It’s the result of genetic variation, natural selection, and inheritance.

Answer 1

Evolution

Question 2

A trait or behavior that helps an organism survive in its environment.

Answer 2

Adaptation

Question 3

The way nature chooses which organisms survive and reproduce based on their traits.

Answer 3

Natural Selection

Question 4

A group of living things that can reproduce and have offspring.

Answer 4

Species

Question 5

The preserved remains or traces of ancient organisms found in rocks.

Answer 5

Fossil

Question 6

When a species completely disappears and no longer exists.

Answer 6

Extinction

Question 7

Differences in traits among individuals of the same species.

Answer 7

Variation

Question 8

A change in DNA that can create new traits in organisms.

Answer 8

Mutation

Question 9

An early form of a species from which later species evolved.

Answer 9

Ancestor

Question 10

A collection of fossils that shows how life has changed over millions of years.

Answer 10

Fossil Record