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Darwinism and natural selection

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Which of these best describes an evolutionary common ancestor?

a)

a modern-day species that has many related species living today

b)

an ancestral species that is shared by multiple modern-day species

2.

Which statement about evolution is true?

a)

Evolution occurs in individual organisms.

b)

Evolution involves a change in non-inherited traits.

c)

Evolution occurs over multiple generations.

3.

Species that share a common ancestor in the more ______ past are more closely related.

a)

distant

b)

recent

4.

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

5.

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

6.

Within a species there are naturally occurring differences in their traits is known as?

a)

Evolution

b)

Adaptations

c)

Variations

d)

Mutations

7.

An inherited trait that helps an organism survive and reproduce in its environment is known as?

a)

adaptation

b)

genetic variation

c)

natural selection

d)

mutation

8.
What can happen to a species over time if some of the organisms have an advantage?
a)
The population will decrease
b)
The population will become extinct
c)
The population will slowly increase
9.

The rabbits have babies all year round but some are eaten by foxes or hawks. Which of Darwin's Principles does this represent?

a)

All populations have variation

b)

Some variations are favorable

c)

More offspring are born than can survive

d)

Those traits are seen more in the population

10.
Why is the mouse population changing over time?
a)
The light mice can reproduce more successfully than the dark mice
b)
The hawks eat more dark mice than light mice because the dark mice taste better
c)
The hawks eat more light mice than dark mice because they can see the light mice more easily
d)
The hawks eat more dark mice than light mice because they can see the dark mice more easily