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Speciation WS

Total questions: 16

Worksheet time: 12mins

Name
Class
Date
1.

A type of speciation caused by geographic barriers separating populations that once shared a gene pool

a)

Sympatric

b)

Allopatric

c)

Chemical

d)

Temporal

2.

A type of speciation that occurs in the same area where populations are isolated by prezygotic and post zygotic barriers

a)

Sympatric

b)

Allopatric

c)

Chemical

d)

Habitat

3.

A prezygotic barrier in which populations breed at different times

a)

Behavioral isolation

b)

Mechanical isolation

c)

Geographic isolation

d)

Temporal isolation

4.

A type of isolation in which behaviors such as courtship rituals, prevent mating

a)

Temporal

b)

Chemical

c)

Behavioral

d)

Allopatric

5.

A type of isolation in which physical differences between two animals prevent mating

a)

habitat

b)

allopatric

c)

geographic

d)

mechanical

6.

Populations isolated from one another caused by chemical barriers that prevent mating or fertilization

a)

chemical isolation

b)

behavioral isolation

c)

habitat isolation

d)

temporal isolation

7.

A type of isolation in which land or bodies of water separate populations

a)

sympatric

b)

temporal

c)

mechanical

d)

geographic

8.

check ALL that apply--

Birds in an area attract mates by offering gifts to the females. One group of birds offers food gifts, like worms. Another group generally offers colored objects for decorating nests.

a)

Allopatric Speciation

b)

Sympatric Speciation

c)

Temporal Isolation

d)

Behavioral Isolation

e)

Mechanical Isolation

9.

Check TWO that apply--

Squirrels on the Kaibab plateau cannot easily reach the valley where gray squirrels live. These two groups do not interbreed.

a)

Allopatric Speciation

b)

Sympatric Speciation

c)

Temporal Isolation

d)

Behavioral Isolation

e)

Geographic Isolation

10.

Check TWO that apply--

Lunar moths use powerful pheromones to attract mates. Moths of a different species do not respond.

a)

Allopatric Speciation

b)

Sympatric Speciation

c)

Temporal Isolation

d)

Chemical Isolation

e)

Geographic Isolation

11.

Check TWO that apply--

In snails that are closely related, the direction of shell coiling is either to the left or to the right. Left-coiled snails cannot mate with right-coiled ones.

a)

Allopatric Speciation

b)

Sympatric Speciation

c)

Mechanical Isolation

d)

Chemical Isolation

e)

Geographic Isolation

12.

Check TWO that apply--

The red-legged frog breeds from November to April. The yellow-legged frog breeds from May-June. Both live in the same area.

a)

Allopatric Speciation

b)

Sympatric Speciation

c)

Mechanical Isolation

d)

Temporal Isolation

e)

Behavioral Isolation

13.

Check TWO that apply--

Cuttlefish flash a sequence of colors to either warn rivals away or attract females. Females of their species will only respond to a specific series of color flashes.

a)

Allopatric Speciation

b)

Sympatric Speciation

c)

Mechanical Isolation

d)

Temporal Isolation

e)

Behavioral Isolation

14.

Check TWO that apply--

The saddleback tortoise lives on a different island than the domed tortoise of the Galapagos. Neither tortoise can swim to the other island

a)

Allopatric Speciation

b)

Sympatric Speciation

c)

Geographic Isolation

d)

Temporal Isolation

e)

Behavioral Isolation

15.

What is the type of speciation shown?

a)

Allopatric

b)

Sympatric

c)

Chemical

d)

Temporal

16.

What is the type of speciation shown?

a)

Allopatric

b)

Sympatric

c)

Chemical

d)

Temporal