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Unit 3 Review

Total questions: 13

Worksheet time: 13mins

Name
Class
Date
1.

Genetic Drift is a change in gene frequency equilibrium due to

a)

adaptations

b)

predictable selection

c)

natural selection

d)

random chance

2.

Homologous structures have _______ structure but _______ function.

a)

similar; similar

b)

similar; different

c)

different; similar

d)

different; different

3.

Analogous structures have ________ structure but ________ function

a)

similar; similar

b)

similar; different

c)

different; different

d)

different; similar

4.

Homologous structures diverge from a _______ ancestor

a)

different

b)

common

5.

Analogous structures converge from a _______ ancestor

a)

common

b)

different

6.

Which evolutionary mechanism or phenomenon leads to pesticide resistance in insects?

a)

population shrinkage

b)

genetic drift

c)

migration

d)

natural selection

7.

In the Hardy-Weinberg equation, what does p2 represent?

a)

Homozygous Dominant Allele Frequency

b)

Homozygous Recessive Allele Frequency

c)

Heterozygous Allele Frequency

8.

In the Hardy-Weinberg equation, what does q2 represent?

a)

Homozygous Dominant Allele Frequency

b)

Homozygous Recessive Allele Frequency

c)

Heterozygous Allele Frequency

9.

In the Hardy-Weinberg equation, what does 2pq represent?

a)

Homozygous Dominant Allele Frequency

b)

Homozygous Recessive Allele Frequency

c)

Heterozygous Allele Frequency

10.

Vestigial means "a small remaining quantity of something that was once large or largely used." If an organism has a vestigial structure, what do you think that means?

a)

A new structure acquired by evolution

b)

An old structure that's no longer used but still present

c)

A new structure that isn't used

d)

An old structure that is not longer present

11.

Vestigial structures can be an indicator that organisms have shared ancestry.

a)

True

b)

False

12.

Name at least 2 of the 5 fingers of evolution.

4 lines
13.

What mechanisms would BEST explain how populations develop antibiotic resistance or acquired adaptations or features that make them more well-suited to their immediate environment?

a)

Natural Selection and Mutation

b)

Natural Selection and Hybridization

c)

Polyploid and Recombination

d)

Polyploid and Migration