Population Ecology MCQs with Answers
Which of the following is the study of the changes in population size and factors influencing those changes?
a) Community ecology
b) Ecosystem ecology
c) Population ecology
d) Behavioral ecology
Answer: c) Population ecology
What is the maximum number of individuals that a habitat can support sustainably?
a) Carrying capacity
b) Population density
c) Limiting factor
d) Growth rate
Answer: a) Carrying capacity
Which of the following is a density-independent factor that can regulate population size?
a) Predation
b) Competition
c) Disease
d) Natural disasters
Answer: d) Natural disasters
What is the term for the movement of individuals into a population?
a) Immigration
b) Emigration
c) Natality
d) Mortality
Answer: a) Immigration
Which of the following is an example of a density-dependent factor that can regulate population size?
a) Weather conditions
b) Predation
c) Human activities
d) Pollution
Answer: b) Predation
What is the term for the movement of individuals out of a population?
a) Immigration
b) Emigration
c) Natality
d) Mortality
Answer: b) Emigration
Which of the following is a measure of the number of individuals in a population per unit area or volume?
a) Carrying capacity
b) Population density
c) Limiting factor
d) Growth rate
Answer: b) Population density
What is the term for the average number of offspring produced by a female during her lifetime?
a) Immigration
b) Emigration
c) Natality
d) Fecundity
Answer: d) Fecundity
Which of the following is a factor that can influence population growth rate?
a) Genetic diversity
b) Habitat destruction
c) Species richness
d) Trophic level
Answer: b) Habitat destruction
What is the term for the number of deaths in a population per unit time?
a) Immigration
b) Emigration
c) Natality
d) Mortality
Answer: d) Mortality
Which of the following is a measure of how fast a population is growing or declining?
a) Carrying capacity
b) Population density
c) Limiting factor
d) Growth rate
Answer: d) Growth rate
What is the term for the number of births in a population per unit time?
a) Immigration
b) Emigration
c) Natality
d) Fertility
Answer: c) Natality
Which of the following is a factor that can contribute to population decline?
a) Immigration
b) Emigration
c) Natality
d) Low fertility rates
Answer: d) Low fertility rates
What is the term for the average number of offspring that survive to reproduce?
a) Immigration
b) Emigration
c) Natality
d) Reproductive success
Answer: d) Reproductive success
Which of the following is a factor that can contribute to population growth?
a) Immigration
b) Emigration
c) Natality
d) High mortality rates
Answer: c) Natality
What is the term for the movement of individuals into and out of a population?
a) Immigration
b) Emigration
c) Migration
d) Dispersal
Answer: c) Migration
Which of the following is a factor that can influence population density?
a) Carrying capacity
b) Growth rate
c) Immigration
d) Emigration
Answer: c) Immigration
What is the term for the movement of individuals within a population?
a) Immigration
b) Emigration
c) Natality
d) Dispersal
Answer: d) Dispersal
Which of the following is a factor that can limit population growth?
a) Immigration
b) Emigration
c) Density-independent factors
d) High natality rates
Answer: c) Density-independent factors
What is the term for the pattern of spacing among individuals within a population?
a) Carrying capacity
b) Population density
c) Distribution
d) Growth rate
Answer: c) Distribution
Which of the following is a factor that can contribute to population stability?
a) Immigration
b) Emigration
c) Natality
d) Low mortality rates
Answer: d) Low mortality rates
What is the term for the distribution of individuals within a population’s habitat?
a) Carrying capacity
b) Population density
c) Distribution
d) Growth rate
Answer: c) Distribution
Which of the following is a factor that can influence population distribution?
a) Carrying capacity
b) Dispersal ability
c) Immigration
d) Emigration
Answer: b) Dispersal ability
What is the term for the maximum number of individuals that a habitat can support?
a) Carrying capacity
b) Population density
c) Limiting factor
d) Growth rate
Answer: a) Carrying capacity
Which of the following is a factor that can influence population density?
a) Carrying capacity
b) Growth rate
c) Immigration
d) Emigration
Answer: a) Carrying capacity
What is the term for the distribution of individuals within a population’s habitat?
a) Carrying capacity
b) Population density
c) Distribution
d) Growth rate
Answer: c) Distribution
Which of the following is a factor that can contribute to population stability?
a) Immigration
b) Emigration
c) Natality
d) Low mortality rates
Answer: d) Low mortality rates
What is the term for the average number of offspring produced by a female during her lifetime?
a) Immigration
b) Emigration
c) Natality
d) Fecundity
Answer: d) Fecundity
Which of the following is a factor that can influence population growth rate?
a) Genetic diversity
b) Habitat destruction
c) Species richness
d) Trophic level
Answer: b) Habitat destruction
What is the term for the number of deaths in a population per unit time?
a) Immigration
b) Emigration
c) Natality
d) Mortality
Answer: d) Mortality
Which of the following is a measure of how fast a population is growing or declining?
a) Carrying capacity
b) Population density
c) Limiting factor
d) Growth rate
Answer: d) Growth rate
What is the term for the number of births in a population per unit time?
a) Immigration
b) Emigration
c) Natality
d) Fertility
Answer: c) Natality
Which of the following is a factor that can contribute to population decline?
a) Immigration
b) Emigration
c) Natality
d) Low fertility rates
Answer: d) Low fertility rates
What is the term for the average number of offspring that survive to reproduce?
a) Immigration
b) Emigration
c) Natality
d) Reproductive success
Answer: d) Reproductive success
Which of the following is a factor that can contribute to population growth?
a) Immigration
b) Emigration
c) Natality
d) High mortality rates
Answer: c) Natality
What is the term for the movement of individuals into and out of a population?
a) Immigration
b) Emigration
c) Migration
d) Dispersal
Answer: c) Migration
Which of the following is a factor that can influence population density?
a) Carrying capacity
b) Growth rate
c) Immigration
d) Emigration
Answer: c) Immigration
What is the term for the movement of individuals within a population?
a) Immigration
b) Emigration
c) Natality
d) Dispersal
Answer: d) Dispersal
Which of the following is a factor that can limit population growth?
a) Immigration
b) Emigration
c) Density-independent factors
d) High natality rates
Answer: c) Density-independent factors
What is the term for the pattern of spacing among individuals within a population?
a) Carrying capacity
b) Population density
c) Distribution
d) Growth rate
Answer: c) Distribution
Which of the following is a factor that can contribute to population stability?
a) Immigration
b) Emigration
c) Natality
d) Low mortality rates
Answer: d) Low mortality rates
What is the term for the distribution of individuals within a population’s habitat?
a) Carrying capacity
b) Population density
c) Distribution
d) Growth rate
Answer: c) Distribution
Which of the following is a factor that can influence population distribution?
a) Carrying capacity
b) Dispersal ability
c) Immigration
d) Emigration
Answer: b) Dispersal ability
What is the term for the maximum number of individuals that a habitat can support?
a) Carrying capacity
b) Population density
c) Limiting factor
d) Growth rate
Answer: a) Carrying capacity
Which of the following is a factor that can influence population density?
a) Carrying capacity
b) Growth rate
c) Immigration
d) Emigration
Answer: a) Carrying capacity
What is the term for the distribution of individuals within a population’s habitat?
a) Carrying capacity
b) Population density
c) Distribution
d) Growth rate
Answer: c) Distribution
Which of the following is a factor that can contribute to population stability?
a) Immigration
b) Emigration
c) Natality
d) Low mortality rates
Answer: d) Low mortality rates
What is the term for the average number of offspring produced by a female during her lifetime?
a) Immigration
b) Emigration
c) Natality
d) Fecundity
Answer: d) Fecundity
Which of the following is a factor that can influence population growth rate?
a) Genetic diversity
b) Habitat destruction
c) Species richness
d) Trophic level
Answer: b) Habitat destruction
What is the term for the number of deaths in a population per unit time?
a) Immigration
b) Emigration
c) Natality
d) Mortality
Answer: d) Mortality
Which of the following is a measure of how fast a population is growing or declining?
a) Carrying capacity
b) Population density
c) Limiting factor
d) Growth rate
Answer: d) Growth rate
What is the term for the number of births in a population per unit time?
a) Immigration
b) Emigration
c) Natality
d) Fertility
Answer: c) Natality
Which of the following is a factor that can contribute to population decline?
a) Immigration
b) Emigration
c) Natality
d) Low fertility rates
Answer: d) Low fertility rates
What is the term for the average number of offspring that survive to reproduce?
a) Immigration
b) Emigration
c) Natality
d) Reproductive success
Answer: d) Reproductive success
Which of the following is a factor that can contribute to population growth?
a) Immigration
b) Emigration
c) Natality
d) High mortality rates
Answer: c) Natality
What is the term for the movement of individuals into and out of a population?
a) Immigration
b) Emigration
c) Migration
d) Dispersal
Answer: c) Migration
Which of the following is a factor that can influence population density?
a) Carrying capacity
b) Growth rate
c) Immigration
d) Emigration
Answer: c) Immigration
What is the term for the movement of individuals within a population?
a) Immigration
b) Emigration
c) Natality
d) Dispersal
Answer: d) Dispersal
Which of the following is a factor that can limit population growth?
a) Immigration
b) Emigration
c) Density-independent factors
d) High natality rates
Answer: c) Density-independent factors
What is the term for the pattern of spacing among individuals within a population?
a) Carrying capacity
b) Population density
c) Distribution
d) Growth rate
Answer: c) Distribution
Which of the following is a factor that can contribute to population stability?
a) Immigration
b) Emigration
c) Natality
d) Low mortality rates
Answer: d) Low mortality rates
What is the term for the distribution of individuals within a population’s habitat?
a) Carrying capacity
b) Population density
c) Distribution
d) Growth rate
Answer: c) Distribution
Which of the following is a factor that can influence population distribution?
a) Carrying capacity
b) Dispersal ability
c) Immigration
d) Emigration
Answer: b) Dispersal ability
What is the term for the maximum number of individuals that a habitat can support?
a) Carrying capacity
b) Population density
c) Limiting factor
d) Growth rate
Answer: a) Carrying capacity
Which of the following is a factor that can influence population density?
a) Carrying capacity
b) Growth rate
c) Immigration
d) Emigration
Answer: a) Carrying capacity
What is the term for the distribution of individuals within a population’s habitat?
a) Carrying capacity
b) Population density
c) Distribution
d) Growth rate
Answer: c) Distribution
Which of the following is a factor that can contribute to population stability?
a) Immigration
b) Emigration
c) Natality
d) Low mortality rates
Answer: d) Low mortality rates
What is the term for the average number of offspring produced by a female during her lifetime?
a) Immigration
b) Emigration
c) Natality
d) Fecundity
Answer: d) Fecundity
Which of the following is a factor that can influence population growth rate?
a) Genetic diversity
b) Habitat destruction
c) Species richness
d) Trophic level
Answer: b) Habitat destruction
What is the term for the number of deaths in a population per unit time?
a) Immigration
b) Emigration
c) Natality
d) Mortality
Answer: d) Mortality