1. Evolution 2 Practice Test

2. Question #1
There was a population of winged and non- winged creatures. One day, a volcano erupted and the non-winged died because they could not fly away. This is
Gene flow
Genetic drift
Natural selection
Geographic isolation

3. Question #2 Which of these is the result of convergent plates?
Mountain ranges
Ocean spreading
Volcanic eruptions
Trenches and valleys

4. Question #3
In order for evolution to take place, there must be variation between
Populations
Species
Kingdoms
Individuals

5. Question #4
_____ is an example of an allele, _____ is a genotype, and _____ is a phenotype.
B, Bb, hair color
B, Bb, brown hair
Bb, B, hair color
Bb, b, dominant
Dominant, BB, hair color

6. Question #5
If the gametes of two organisms are not combining, which of the following is most likely occurring?
Extinction
Mutation
Hybridization
Reproductive isolation

7. Question #6 A gene pool consists of all the
Genetic variations of a species
Genetic variations in a population
Adaptations within a species
Different organisms in a population
Adaptations within an environment

8. Question #7
Which of the following is NOT part of Darwin’s theory of natural selection?
Only some organisms survive to reproduce.
Favorable variations accumulate over time.
Survival favors some organisms over others.
Use and disuse of body parts determines their fate

9. Question #8
Which of the following is an effect of gene flow? Write ALL that apply.
Decreased genetic variation.
Increased genetic variation.
Increased extinction.
No speciation.

10. Question #9
What is the most likely cause that a green haired individual is born in a brown haired population?
Natural selection
Genetic drift
Mutation
Reproductive isolation

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

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