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Unit 7 Pretest

Total questions: 20

Worksheet time: 13mins

Name
Class
Date
1.

What word describes a trait that helps an organism survive in its environment?

a)

natural selection

b)

mutation

c)

camouflage

d)

adaptation

2.
The trees these moths used to live on were white, but have been covered in soot from coal factories. Which moth will be more successful in this environment?
a)
Dark moth
b)
Light moth
c)
Both will be equally successful
d)
Neither will be successful
3.
These moths are all the same species. The differences between their wings is an example of ________________
a)
Natural Selection
b)
Variation
c)
Homeostasis
d)
Extinction
4.
Evolution works by 
a)
individuals changing to suit their environment
b)
Individuals learned new traits and pass them on
c)
sudden change in the environment cause a species change 
d)
small changes pass down through many generations
5.

Charles Darwin observed that finches of different species on the Galápagos Islands have many similar physical characteristics, this supports the hypothesis that these finches

a)

are twins

b)

acquired traits through use and disuse.

c)

all eat the same type of food.

d)

descended from a common ancestor.

6.

The practice by which humans select plants or animals for breeding based on desired traits is known as?

a)

Evolution

b)

Natural Selection

c)

Artificial Selection

d)

Darwinism

7.

What is the process by which organisms that inherit advantageous traits tend to reproduce more successfully than other organisms do?

a)

Evolution

b)

Natural Selection

c)

Artificial Selection

d)

Darwinism

8.

Which of the following species would have the most potential for selective breeding?

a)

A species of fruit tree that is very sensitive to climate changes.

b)

A species of grain particularly susceptible to fungal disease.

c)

A species of grass with a large number of genetic variations within the species.

d)

A species of birds reproduces slowy.

9.

Which of the following methods would be best for determining the evolutionary relationships among a group of species?

a)

comparing only the embryological features of the species

b)

examining each species’ lineage in the fossil record individually without comparing the lineages to each other

c)

comparing the DNA sequences and anatomical features of the species

10.
This kind of structure is when the bones have similar form but are used for different functions.
a)
analogous structure
b)
homologous structure
c)
vestigial structure
11.
What is the cause for all variation within a population?
a)
Natural Selection
b)
Adaptation
c)
Mutation
d)
Environmental Changes
12.
An organism's ability to survive and reproduce in its environment refers to its
a)
Fitness
b)
Variation
c)
Selection
d)
Mutation
13.

Ten light tan mice and ten black mice are placed in a desert environment. What will happen to the black population over time?

a)

It will increase

b)

It will decrease

c)

It will stay the same

d)

There is no way to tell

14.

The combined genetic information of a population forms a..

a)

Genotype

b)

Gene Pool

c)

Phenotype

d)

Bottle Neck

15.
A few deer wander out of their native woods into a completely new park where no deer had ever been before. They go on to create an entirely new population.
a)
Genetic Drift
b)
Natural Selection
c)
Non-random mating
d)
Mutation
16.
Five hundred years after the deer had established a flourishing population in the park, a few of them venture back to their original woods and have babies with the deer there.
a)
Genetic Drift
b)
Mutations
c)
Non-random mating
d)
Gene flow
17.
One day a group of scientists collected a small group of brown anole lizards from a large group of the lizards.  Then they placed this small group of lizards on an island that had no brown anole lizards on it.  What is this an example of?
a)
Bottleneck Effect
b)
Hardy Effect
c)
Founder Effect
d)
None of These
18.
There was once a large population of cheetah, but about 12,000 years ago most of the cheetahs were killed off because of human activity and only a few survived.  What is this an example of?
a)
Bottleneck Effect
b)
Genetic Drift
c)
Founder Effect
d)
Natural Selection
19.

Two firefly species have different light patterns to attract mates. One species' light will not attract another species to mate.

This is an example of what kind of barrier?

a)

timing

b)

behavior

c)

geography

d)

variation

20.

The three species pictured share a common ancestor and have adapted so that each lives in a different environment. This is an example of

a)

Law of Superposition

b)

Evolutionary Arms Race

c)

Divergent Evolution

d)

Convergent Evolution

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