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3.2 Vocabulary

Total questions: 13

Worksheet time: 7mins

Name
Class
Date
1.

Why are advantageous traits more likely to be passed onto offspring?

a)

Because they are more likely to survive and reproduce.

b)

Because they come from dominant alleles.

c)

Because they come from recessive alleles.

d)

Because the organism knew it needed that trait, survives, and passes it on.

2.
The differences among a species, like different bird beaks, are called
a)
genes.
b)
variations.
c)
traits.
d)
theories.
3.
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
4.

All rabbits of the same species living in a particular area would be an example of a(n)

a)

population

b)

species

c)

community

d)

ecosystem

5.
Which organisms are most likely to survive?
a)
the best adapted
b)
the fastest
c)
the strongest
d)
the most domesticated (tamed)
6.
Do organisms "decide" to evolve and change?
a)
Yes, they know they need to change to survive 
b)
No, they change because of natural selection
7.
Change over time
a)
Natural Selection
b)
Selective Breeding
c)
Homeostasis
d)
Evolution
8.

Mutations sometimes result in an adaptive trait.

a)

True

b)

False

9.

Mutations sometimes result in a non-adaptive trait.

a)

True

b)

False

10.

Traits introduced by mutation will always become more common in a population.

a)

True

b)

False

11.

Traits introduced by mutation will sometimes become more common in a population.

a)

True

b)

False

12.

Blue jays with thinner beaks eat the seeds inside pinecones. Blue jays with thicker beaks eat seeds with hard shells.

Could there be thin beaks if there are only seeds with hard shells?

a)

No blue jays could have been born with a thin-beaks.

b)

No blue jays could have been born with a thick beak

c)

A baby blue jay could have been born with a thin-beak mutation.

d)

A thick beak bird could have changed to a thin beak.

13.

If their environment changes to have only brown dirt, which of the following fox populations will most likely survive?

a)

Populations 1 and 2 will most likely survive.

b)

Populations 2 and 3 will most likely survive.

c)

Only Population 2 will survive because it is the only population with variation.

d)

All the populations will survive because the foxes will change the color of their fur if they need to.