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Worksheets

ES: CH 4.2 & 4.3

Total questions: 37

Worksheet time: 37mins

Name
Class
Date
1.

Which of the following factors contribute to an increase in population density?

a)

Emigration and natality

b)

Natality and immigration

c)

Mortality and emigration

d)

Immigration and mortality

2.

The maximum number of individuals of a population which can be supported with optimum resources for their survival is called

a)

Biotic potential

b)

Carrying capacity

c)

Environmental resistance

d)

Potential natality

3.

"The movement of individuals into a population from another population"

a)

Population shift

b)

Immigration

c)

Dispersal

d)

Emigration

4.

"The movement of individuals out of a population into another population"

a)

Immigration

b)

Emigration

c)

Population shift

d)

Dispersal

5.

What kind of population factor is disease?

a)
density-independent
b)
density-dependent
6.

What kind of population factor is resource scarcity?

a)
density-independent
b)
density-dependent
7.

What kind of population factor is a flood?

a)
density-independent
b)
density-dependent
8.

What kind of population factor is predation?

a)
density-independent
b)
density-dependent
9.

What kind of population factor is temperature?

a)
density-independent
b)
density-dependent
10.
Birth rate is also called:
a)
mortality
b)
emigration
c)
natality
d)
immigration
11.

This factor causes a population to decrease due to members moving AWAY.

a)
mortality
b)
emigration
c)
natality
d)
immigration
12.
Logistic population growth leads to this kind of graph
a)
S curve
b)
J curve
c)
M curve
d)
W curve
13.
Exponential population growth leads to this kind of graph
a)
S curve
b)
J curve
c)
M curve
d)
W curve
14.

What is the carrying capacity of this population?

a)
100
b)
200
c)
300
d)
400
15.

Population density that is affected by the movement of people INTO a population is called:

a)

Immigration

b)

emigration

c)

density-dependent

d)

density-independent

16.

What effect will an increase in natality have on a population?

a)

increase the population

b)

decreased population

c)

won't effect the population

d)

natality is a made up word

17.

What effect will an increase in mortality have on a population?

a)

increase the population

b)

decreased population

c)

won't effect the population

d)

mortality is a made up word

18.

All of the following are factors that are density-dependent EXCEPT

a)

competition for land

b)

outbreak of a disease

c)

about of available food

d)

the temperature in the area

19.

The penguins are spread out evenly. This is an example of

a)

uniform dispersion

b)

random dispersion

c)

clumped dispersion

d)

unknown

20.

These animals are scattered in this area in no particular order. This is an example of

a)

random dispersion

b)

uniform dispersion

c)

clumped dispersion

d)

unknown

21.

This graph shows Human population growth. This growth is called

a)

exponential

b)

logistic

c)

random

d)

crazy

22.
Number of organisms dying per unit time sampled
a)
Natality
b)
Mortality
c)
Fertility
d)
Abundance
23.
Number of organisms per unit area 
a)
Natality
b)
Mortality
c)
Fertility
d)
Density
24.
Populations fluctuate in regular patterns or boom-and-bust cycles
a)
Stable
b)
Cyclic
c)
Irruptive
d)
Irregular
25.
Erratic changes possibly due to chaos or drastic change
a)
Stable
b)
Cyclic
c)
Irruptive
d)
Irregular
26.

Number of organisms born per unit time 

a)
Natality
b)
Mortality
c)
Fertility
d)
Abundance
27.

Number of organisms dying per unit time sampled

a)
Natality
b)
Mortality
c)
Fertility
d)
Abundance
28.

Reproductive capacity of females 

a)
Natality
b)
Mortality
c)
Fertility
d)
Density
29.

Number of organisms per unit area 

a)
Natality
b)
Mortality
c)
Fertility
d)
Density
30.

Total number of organisms

a)
Natality
b)
Mortality
c)
Fertility
d)
Abundance
31.
Describes the general distribution pattern of colonial organisms such as corals
a)
high density 
b)
low density 
c)
uniform
d)
random
32.
Describes the distribution pattern where the presence of one individual decreases the probability of finding another close by 
a)
dispersed
b)
clumped
c)
uniform
d)
random
33.
Describes the distribution pattern where the the presence of one individual does not affect the location of another 
a)
dispersed
b)
clumped
c)
uniform
d)
random
34.
A J-shaped curve on a graph is characteristic of
a)
zero population growth.
b)
arithmetic growth.
c)
logistic growth.
d)
exponential growth.
35.

Population change equals births + immigration minus

a)

deaths - immigration

b)

deaths + emigration

c)

deaths only

d)

emigration only

36.
Describes the general distribution pattern of highly territorial, solitary mammal species 
a)
high density 
b)
low density 
c)
uniform
d)
random
37.
Describes the distribution pattern where the presence of one individual increases the likelihood of finding others close by
a)
dispersed
b)
clumped
c)
uniform
d)
random

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