NEW
Font size
S
M
L
XL
WorksheetsEnvironmental Limits to Population Growth
Total questions: 30
Worksheet time: 15mins
Name
Class
Date
1.
Population growth increases as resources _______
a)
A. decreases
b)
B. increases
c)
C. stabilize
d)
D. none of the above
2.
What is carrying capacity?
a)
A. It occurs when resources are limited, thereby setting a maximum number an environment can support.
b)
B. Accelerating growth pattern seen in species under conditions where resources are not limiting
c)
C. Number of organisms added in each reproductive generation.
d)
D. The maximum population size that an environment can support, without the habitat being destroyed.
3.
True or False: Exponential growth is possible only when finite natural resources are available.
a)
A. True
b)
B. False
4.
What is the characteristic shape of a curve illustrating logistic growth?
a)
A. J-shaped
b)
B. U-shaped
c)
C. S-shaped
d)
D. L-shaped
5.
If the major food source of the seals declines due to pollution or overfishing, which of the following would likely occur?
a)
A. The carrying capacity of seals would decrease, as would the seal population.
b)
B. The carrying capacity of seals would decrease, but the seal population would remain the same.
c)
C. The number of seal deaths would increase but the number of births would also increase, so the population size would remain the same.
d)
D. The carrying capacity of seals would remain the same, but the population of seals would decrease.
6.
Which of these is a variable that causes a change in population size?
a)
A. Births
b)
B. Deaths
c)
C. Emigration/Immigration
d)
D. All of the above
7.
Population with unlimited natural resources grow very rapidly and then population growth decreases as resources become depleted. This acceleration pattern of increasing population size is known as?
a)
A. Population Growth
b)
B. Environmental Growth
c)
C. Exponential Growth
d)
D. Limited Growth
8.
The number of organisms added in each reproductive generation is known as?
a)
A. Population Growth Rate
b)
B. Carrying Capacity
c)
C. Exponential Growth
d)
D. Population Size
9.
The number of organisms that die in a particular time interval is known as?
a)
A. Limited growth rate
b)
B. Environmental decrease
c)
C. Decrease population
d)
D. Death rate
10.
Exponential growth may occur in environments where they are?
a)
A. Few individuals and plentiful resources
b)
B. Various individuals and plentiful resources
c)
C. Few individuals and few resources
d)
D. Various individuals and few resources
11.
Competition between population members of the same species for sources is known as?
a)
A. Population competition
b)
B. Survival competition
c)
C. Intraspecific competition
d)
D. All of the above
12.
The maximum growth rate for a species is?
a)
A. Birth rate
b)
B. Population maximum
c)
C. Biotic potential
d)
D. None of the above
13.
Exponential growth is only possible when?
a)
A. Increased population growth
b)
B. Infinite natural resources are available
c)
C. Limited natural resources are available
d)
D. None of the above
14.
The logistic model demonstrates?
a)
A. The reality of an unlimited population
b)
B. The reality of a limited population
c)
C. The reality of limited resources
d)
D. The reality of unlimited resources
15.
Factors which act jointly to limit a populations growth are known as?
a)
A. Population resistance
b)
B. Environmental resistance
c)
C. Resource resistance
d)
D. Growth resistance
16.
A specific species of fish is observed to undergo a sharp decrease in population due to interspecific competition. This would be classified as:
a)
A. Density-dependent regulation
b)
B. Density-independent regulation
c)
C. Both A and B
d)
D. Population regulation
17.
The logistic model assumes that?
a)
A. Every individual within a population will have limited access to resources.
b)
B. Every individual within a population will have unlimited access to resources.
c)
C. Every individual within a population will have unequal access to resources.
d)
D. Every individual within a population will have equal access to resources.
18.
A forest fire is an example of __________ regulation.
a)
A. Density-dependent
b)
B. Density-independent
c)
C. r-selected
d)
D. K-selected
19.
Which of the following are incorrectly paired?
a)
A. Density-Dependent - Diseases
b)
B. Density-Independent - Weather
c)
C. Density-Independent - Predation
d)
D. Density-Dependent - Interspecific Competition
20.
True or False: Exponential Growth is expressed in an S-shaped Growth Curve.
a)
A. True
b)
B. False
21.
When organisms face limiting factors,
a)
A. the death rate increases.
b)
B. they have increased migration.
c)
C. the birth rate decreases.
d)
D. All of these are correct.
22.
Carrying capacity is reached
a)
A. when birth rates and death rates become stable.
b)
B. when there is not enough food.
c)
C. as the population grows.
d)
D. All of the above
23.
True or False: As the population increases, resource availability decreases.
a)
A. True
b)
B. False
24.
When organisms face limiting factors,
a)
A. they have stable growth.
b)
B. they have exponential growth.
c)
C. they have carrying capacity growth.
d)
D. they have logistic growth.
25.
Limiting factors to population growth raise death rates.
a)
A. True
b)
B. False
26.
What happens in the presence of abundant resources?
a)
A. Population grows at minimal rates.
b)
B. Populations grow at maximal rates.
c)
C. Population rate is stable.
d)
D. None of the above
27.
What are environmental limitations described by?
a)
A. Ecological population growth
b)
B. Exponential population growth
c)
C. J- shaped population growth
d)
D. Logistic population growth
28.
True or False: Is the following correctly paired: Carrying Capacity- maximum population size that an environment can support.
a)
A. True
b)
B. False
29.
What is another name for Density-dependent?
a)
A. Biotic
b)
B. Abiotic
30.
A disease is an example of _______ regulation.
a)
A. Density-dependent
b)
B. Density-independent
c)
C. r-selected
d)
D. K-selected
Reset
