1. Evolution Practice Test

2. Question #1
Organisms that can naturally reproduce and make fertile offspring are part of the same ___.

3. Question #2
Survival and reproduction of organisms best suited to their environment because of adaptations.

4. Question #3
Extinction is the death of a ________.

5. Question #4
A tornado kills half the population of 5-legged creatures, leaving mostly 4-legged creatures. The 4-legged creatures lived underground, safe from the tornado. What is this an example of?

6. Question #5
What causes variations?

7. Question #6
How does speciation occur?

8. Question #7
If two populations cannot mate because they are separated by a river, what is this an example of?

9. Question #8
Two populations become similar after they move around and mate with each other.

10. Question #9
Is variation within a species good or bad? Why?

11. Question #10
Two groups of organisms have different mating rituals, so they do not reproduce with each other. What is this an example of?

12. Question #11
Does evolution act on the genotype or phenotype?

13. Answers Species Natural selection Genetic drift
Mutations, genetic recombination
isolation, variations build up over time, until two groups become to different to reproduce and make fertile offspring

14. Answers Geographic isolation Gene flow
Good, because there is a greater chance that some members can survive changes in the environment
Behavioral isolation
Phenotype