Natural Selection Quiz

Last Name

First Name

The differences that exist within a species is called:

• Variation
• Fitness
• Adaptation

Suppose the food supply changed so that only extremely SMALL seeds were available to eat. How do you predict the finch population would change over time?

• Beak size would not change
• Small, needle like beak size would become more common
• Large, tough beak size would become more common
• All finches would die out

A trait that helps a species survive and reproduce is called a(n)

• Variation
• Fitness
• Adaptation

The ability to survive and reproduce is called an individual’s..

• Variation
• Fitness
• Adaptation

Look at the photo below. Which statement below best describes what is happening in the photo?

• The mouse population is changing because the birds are eating them
• The mouse population is changing because lava is poisonous to them
• The mouse population is changing because they are moving away

In this photo, what adaptation is being used to survive?

• A mouse’s tail length to help them run fast from predators
• A mouse’s fur color to help them blend into the environment
• A mouse’s ear length to help them hear predators coming

In this photo, which would be the selective pressure? [

• The color of the sky in the habitat
• The mouse’s food in the habitat
• The predators in the habitat

In this photo, which mouse would have the higher fitness?

• The light colored mouse
• The dark colored mouse