# Population Ecology Quiz

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What point on the graph represents the carrying capacity?

A. A

B. B

C. C

D. D

What does the graph represent?

A. Emigration

B. Exponential growth

C. Immigration

D. Logistic Growth

Which choice most closely approximates the deer population’s carrying capacity based on the graph?

A. 100

B. 80

C. 60

D. 10

Any factor(s) that controls/ limits the size of a population.

A. Density dependent limiting factors

B. Limiting factors

C. Density independent limiting factors

D. Environmental Resistance

Which kind of growth does the human population follow? It is described as a J-shaped curve.

A. Exponential Growth

B. Logistic Growth

C. Outstanding Growth

D. Minimal Growth

According to the graph, which age group is the smallest for the male population in the United States?

A. 20-24

B. 85+

C. 50-54

Which limiting factor is independent of the number of individuals in a population?

A. competition

B. parasitism/disease

C. stress

D. natural disasters

In a forest ecosystem, which of the following is the best example of a limiting factor for a rabbit population?

A. Squirrel Population

B. Sunlight

C. Grass available

Limiting factors that depend on the density of the population.

A. Density Dependent Limiting Factors

B. Density Independent Limiting Factors

C. Biotic potential

D. Environmental Resistance

Which limiting factor would increase due to the number of individuals in a population?

A. Unusual weather

B. Natural disaster

C. Births

D. Disease

What kind of growth does this countries population pyramid show?

A. slow (stationary growth)

B. rapid (expansive growth)

C. negative (constrictive growth)

D. stable

What is the carrying capacity for this sheep population?

A. 1.8 million

B. 1.25 million

C. 1.6 million

D. 1.o million

Human population grew exponentially after the industrial revolution. Which of the following DOES NOT help determine patterns in human population growth?

A. age structure

B. births

C. deaths

D. limiting factors

What factor describes when populations decrease because animals are moving out of a population?

A. Emigration

B. Limiting Factors

C. Immigration

D. Exponential Growth

What does the graph represent?

A. Emigration

B. Exponential growth

C. Immigration

D. Logistic Growth

What factor describes when populations increase because animals are moving into a population?

A. Emigration

B. Limiting Factors

C. Immigration

D. Exponential Growth

Which of the following is a density-independent limiting factor?

A. natural disaster

B. predation

C. disease

D. parasitism

Name that population pyramid…

A. Exponential Growth

B. Developing Country

C. Stable Growth

D. Declining Growth

If the number of births in a population is the same as the number of deaths in a population, what will happen to the growth of the population?

A. It will increase.

B. It will decrease.

C. It will stay the same.

D. It will fluctuate.

Name that population pyramid…

A. Rapid Growth

B. Industrialized Country

C. Declining Growth

D. Stable Growth

The number of individuals per unit area.

A. distribution

B. carrying capacity

C. density

D. none of the above

Logistic growth has 3 phases. In Phase 1, the population grows rapidly. In Phase 2, population grows slowly. In Phase 3, growth stops. What causes growth to stop in the 3rd phase of logistic growth?

A. Emigration

B. Immigration

C. Exponential Growth

D. Carrying Capacity

What are the three types of distribution patterns?

A. uniform, clumped, random

B. uniform, uneven, random

C. uneven, clumped, random

D. uniform, clumped, uneven

Name that population pyramid?

A. Stable Growth

B. Developing Country

C. Exponential Growth

D. Negative Growth

Factors like predation can have a positive benefit to the population of prey organisms because predators tend to keep prey populations below their ___________.

A. carrying capacity

B. sustainibility number

C. exponential growth point

D. competition level

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