Theory of Evolution by Natural Selection

What is the process by which individuals with beneficial variations survive and reproduce more than others?

• Mutation

• Natural Selection

• Genetic Drift

• Artificial Selection

What is a permanent change in the sequence of DNA called?

• Variation

• Adaptation

• Mutation

• Evolution

Which of the following is an example of a beneficial mutation?

• An organism developing a disease

• An organism better withstanding a toxin

• An organism losing its ability to camouflage

• An organism becoming sterile

What is an example of natural selection?

• An animal changing its diet

• An animal camouflaging to survive

• An animal migrating to a new area

• An animal learning a new skill

What is a neutral mutation?

• A mutation that improves survival

• A mutation that decreases survival

• A mutation that does not affect survival

• A mutation that causes disease

What is a beneficial mutation?

• Increases the chance of survival

• Decreases the chance of survival

• Has no effect on survival

• Causes disease

What is a harmful mutation?

• Increases the chance of survival

• Hurts the chance of survival

• Has no effect on survival

• Improves health

Why are large leaf plants more likely to survive in areas with less sunlight?

• They require less water

• They get more solar energy

• They grow faster

• They are more resistant to pests

How do genetic variations in skin color help organisms?

• By making them more attractive

• By helping them blend into their environment

• By increasing their size

• By making them faster

What is an example of an organism using genetic variation to avoid predators?

• A green tree frog blending into a green leaf tree

• A rabbit running fast

• A bird flying high

• A fish swimming deep