Topic 3 Lesson 2

Multiple Choice

According to Darwin's theory, what is the main factor that determines which individuals are more likely to survive and reproduce?

• Their ability to adapt to the environment

• Their physical strength

• Their intelligence

• Their speed

Multiple Choice

Which of the following is NOT one of the three factors identified by Darwin that affect the process of natural selection?

• Overproduction

• Variation

• Competition

• Mutation

Multiple Choice

How does hereditary variation contribute to the survival of a species?

• It allows some individuals to be better suited to their environment.

• It ensures all individuals are identical.

• It decreases the chances of survival for all individuals.

• It prevents any change in the population.

Multiple Select

Which statements about Darwin's understanding of genes and heredity are correct?

• Darwin knew exactly how traits were passed from parents to offspring.

• Darwin did not know where variations came from.

• Darwin believed tiny particles from parents' bodies passed into offspring.

• Darwin understood the role of DNA in heredity.