Unit Test Answers

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What is the population density?

Answer:

16 giraffes per square kilometer

4

the movement of individuals into a population

A
birth rate
B
immigration
C
death rate
D
emigration
5

number of mates

A
density-dependent
B
density-independent
6

Since the population growth is ,

A
positive
B
negative
C
zero
7

the population is .

A
growing
B
shrinking
C
not changing
13

Since the population growth is ,

A
positive
B
negative
C
zero
14

the population is .

A
growing
B
shrinking
C
not changing
17

the movement of individuals out of a population

A
birth rate
B
immigration
C
death rate
D
emigration
18

habitat

A
density-dependent
B
density-independent
20

food

A
density-dependent
B
density-independent
21

a hurricane

A
density-dependent
B
density-independent
22

hunting by humans

A
density-dependent
B
density-independent

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