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Types of Natural Selection

Total questions: 12

Worksheet time: 6mins

Name
Class
Date
1.

Directional Selection...

a)

chooses the extreme allele of the trait

b)

chooses the the medium/average trait

c)

chooses half the population to be light and the other half to be dark; both extremes are chosen

d)

is a theory that evolution occurs at a slow rate

2.

the theory that states evolution happens when there is an event in life that affects organisms on a large scale. evolution happens quickly at this point.

a)

gradualism

b)

disruptive selection

c)

punctuated equilibrium

d)

normalizing

3.

this type of selection chooses half of the population for one extreme and chooses the other half to be the other extreme; both extremes are chosen

a)

stabilizing selection

b)

gradualism

c)

punctuated equilibrium

d)

disruptive selection

4.

this graph represents what selection?

a)

stabilizing

b)

directional

c)

disruptive

5.

this theory states evolution happens at a slow rate...

a)

stabilizing

b)

disrupting

c)

processing

d)

gradualism

6.

stabilizing selection is...

a)

the type of selection that chooses the extreme allele of the trait

b)

the type of selection that chooses the medium/average trait

c)

the type of selection that chooses half the population for one extreme and one half for the other

d)

when evolution happens at a slow rate

7.

what type of natural selection is this?

a)

disruptive

b)

directional

c)

stabilizing

8.

this is an example of what type of natural selection

a)

directional

b)

disruptive

c)

stabilizing

9.

what is an example of directional selection?

a)

population will develop medium fur in the next generation

b)

population will develop dark fur in the next generation

c)

population will develop both light and dark fur in the next generation

10.

what is an example of disruptive selection?

a)

population will develop medium fur in the next generation

b)

population will develop dark fun in the next generation

c)

population will develop both light and dark fur next generation

11.

why is punctuated equilibrium not referred to as quick evolution?

a)

an event in life must affect an organism on a large scale before it can happen quick

b)

the evolution occurs slowly

c)

the evolution happens at a steady rate

12.

why is gradualism simply known as evolution at a slow rate

a)

because it simply states that it happens at a slow rate

b)

its not, it happens quickly

c)

it can also happen at a fast rate