Question 1

A ________ survivorship curve is typical of humans and other mammals, in which survival rate is high throughout the life span followed by heavy mortality at the end.

Accepted Answer

A) type I 
B) type II 
C) type III 
D) type IV 
A) type I 
B) type II 
C) type III 
D) type IV

Question 2

The per capita death rate (d)________ with population size.

Accepted Answer

The answer of The per capita death rate (d)________ with...

Question 3

A leading cause of current population extinctions is

Accepted Answer

A) global warming. 
B) habitat destruction. 
C) hunting. 
D) diseases. 
A) global warming. 
B) habitat destruction. 
C) hunting. 
D) diseases.

Question 4

________ populations are more susceptible to both demographic and environmental stochasticity than ________ populations.

Accepted Answer

The answer of ________ populations are more susceptible to both...

Question 5

________ is the study of populations.

Accepted Answer

The answer of ________ is the study of populations....

Question 6

Genetic drift occurs at a faster rate in a large population than in a small population.

Accepted Answer

A) True 
 B)False

Question 7

If population size N(t)is plotted as a linear function of time (t), the ________ of the resulting line will remain constant between any two points.

Accepted Answer

slope or r

Question 8

Immigration and emigration occurs within an open population.

Accepted Answer

A) True 
 B)False

Question 9

Explain how λ is used by demographers to predict the future size of a population.

Accepted Answer

Demographers use the symbol λ, which rep

Question 10

The exponential model of population growth assumes

Accepted Answer

A) that essential resources are unlimited. 
B) a changeable environment. 
C) that all individuals in the population are the same age. 
D) a constant mortality rate throughout the population. 
A) that essential resources are unlimited. 
B) a changeable environment. 
C) that all individuals in the population are the same age. 
D) a constant mortality rate throughout the population.

Question 11

What is the difference between exponential growth and logistic growth? Under what ecological conditions does each occur?

Accepted Answer

Exponential growth and logistic growth a

Question 12

Demographic ________ is the random variation in birth and death rates that occur in populations from year to year.

Accepted Answer

The answer of Demographic ________ is the random variation in...

Question 13

The instantaneous per capita rate of growth (r)of a stable population is equal to zero.

Accepted Answer

A) True 
 B)False

Question 14

As population size (N)increases

Accepted Answer

A) birth rate increases. 
B) birth rate decreases. 
C) death rate decreases. 
D) carrying capacity increases. 
A) birth rate increases. 
B) birth rate decreases. 
C) death rate decreases. 
D) carrying capacity increases.

Question 15

When a population is stable, the net reproductive rate (R₀)is equal to zero.

Accepted Answer

A) True 
 B)False

Exam 10: Population Growth

A ________ survivorship curve is typical of humans and other mammals, in which survival rate is high throughout the life span followed by heavy mortality at the end.

The per capita death rate (d)________ with population size.

A leading cause of current population extinctions is

________ populations are more susceptible to both demographic and environmental stochasticity than ________ populations.

________ is the study of populations.

Genetic drift occurs at a faster rate in a large population than in a small population.

If population size N(t)is plotted as a linear function of time (t), the ________ of the resulting line will remain constant between any two points.

Immigration and emigration occurs within an open population.

Explain how λ is used by demographers to predict the future size of a population.

The exponential model of population growth assumes

What is the difference between exponential growth and logistic growth? Under what ecological conditions does each occur?

Demographic ________ is the random variation in birth and death rates that occur in populations from year to year.

The instantaneous per capita rate of growth (r)of a stable population is equal to zero.

As population size (N)increases

When a population is stable, the net reproductive rate (R₀)is equal to zero.

The Nature of Ecology

Climate

The Aquatic Environment

The Terrestrial Environment

Ecological Genetics: Adaptation and Natural Selection

Plant Adaptations to the Environment

Animal Adaptations to the Environment

Life History Patterns

Properties of Populations

Intraspecific Population Regulation

Metapopulations

Interspecific Competition

Predation

Parasitism and Mutualism

Community Structure

Community Dynamics

Landscape Ecology

Systems Ecology

Ecosystem Energetic

Decomposition and Nutrient Cycling

Biogeochemical Cycles

Terrestrial Ecosystems

Aquatic Ecosystems

Coastal and Wetland Ecosystems

Population Growth, Resource Use, and Sustainability

Conservation Ecology

Global Climate Change

Filters

populations are more susceptible to both demographic and environmental stochasticity than populations.