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Natural Selection & Evolution Check In

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

Which of these is NOT evidence of evolution?

a)

Embryology

b)

Genetics (DNA Fingerprinting)

c)

Natural Selection

d)

Fossil Record

2.

Assuming the dotted line represents the new population and the solid line represents the original population, which of the following types of selection is represented by the graph at left?

a)

Directional (Left)

b)

Directional (Right)

c)

Stabilizing

d)

Disruptive

3.

Which of the following is NOT an assumption of Hardy-Weinberg equilibrium?

a)

Mating is random

b)

Dominant alleles are always more frequent than recessive alleles

c)

No mutations are occuring in the population

d)

No gene flow exists between populations

4.

The colored bones at left are called _____________ structures and are evidence of ____________ evolution.

a)

Vestigal, Convergent

b)

Analagous, Convergent

c)

Homologous, Divergent

d)

Homologous, Convergent

5.

The appendix is a structure inherited from a common ancestor that serves no purpose in the current organism. This is an example of a ___________.

a)

Vestigal Structure

b)

Intermediate Organ

c)

Mutualistic Exchange

d)

Mutation

6.

Which of the following is NOT required for selection to occur?

a)

Consideration

b)

Inheritance

c)

Time

d)

Variation

7.

Select all that apply: All initial variation in a population comes from ____________.

a)

Crossing Over

b)

Gene Flow

c)

Mutation

8.

After a bottleneck event occurs, variation in the population is ____________.

a)

Increased

b)

Decreased

c)

The Same

9.

When looking at the fossil record, rocks that are the furthest underground (deepest) would have ___________ Carbon-14 than fossils found closer to the surface?

a)

More

b)

Less

c)

The Same

10.

Which term best fits the definition: "An organism's ability to survive and pass on its genetic material to offspring"?

a)

Inheritance

b)

Fitness

c)

Adaptation

d)

Selection

11.

A population of birds live on an island where seeds are their primary food source. Birds with smaller beaks can eat small seeds more easily and birds with larger beaks can eat large seeds more easily. A fungus destroys the plants that make large seeds, leaving only the small seeds as food. What type of selection is most likely to occur?

a)

Directional

b)

Stabilizing

c)

Disruptive

d)

None of these

12.

The 2 male beetles at left are competing for a nearby mate. This is an example of _____________.

a)

Intrasexual Selection

b)

Intersexual Selection

c)

Mutualism

d)

Genetic Drift

13.

A group of minnows get separated from the original population due to increased currents in the body of water in which they live. The new population begins to survive and reproduce separately. This is an example of _________________.

a)

The bottleneck effect

b)

Gene flow

c)

The founder effect

d)

Non-random mating

14.

According to Hardy Weinberg Equillibrium, if the dominant allele (p) accounts for 70% of the allele frequency, how much of the allele frequency is comprised of the recessive allele (q)?

a)

70%

b)

30%

c)

50%

d)

None of these

15.

Nearby populations are __________ likely to have different species because of _____________ between the populations.

a)

More; Gene Flow

b)

More; Genetic Drift

c)

Less, Genetic Drift

d)

Less, Gene Flow