Podcast
Questions and Answers
What is the primary reason for the slowdown in population growth during Phase 2 of logistical growth?
What is the primary reason for the slowdown in population growth during Phase 2 of logistical growth?
- Increase in immigration
- Decrease in death rate
- Increase in birth rate (correct)
- Decrease in emigration
Which factor is responsible for controlling the growth of a population based on the density of the population?
Which factor is responsible for controlling the growth of a population based on the density of the population?
- Food availability
- Space utilization
- Number of individuals per unit area (correct)
- Protection from predation
What term is used to describe the maximum number of individuals an environment can support?
What term is used to describe the maximum number of individuals an environment can support?
- Sustainable limit
- Carrying capacity (correct)
- Stabilizing capacity
- Population peak
In an urn-shaped population diagram, what does high life expectancy and increased aging of the population indicate?
In an urn-shaped population diagram, what does high life expectancy and increased aging of the population indicate?
Which type of factors affect the size of a population in response to the density of that population?
Which type of factors affect the size of a population in response to the density of that population?
What happens to the population during Phase 3 of logistical growth?
What happens to the population during Phase 3 of logistical growth?
Which of the following is NOT a density-independent factor affecting population growth?
Which of the following is NOT a density-independent factor affecting population growth?
In the logistic growth model, what happens to a population's growth rate as it approaches the carrying capacity?
In the logistic growth model, what happens to a population's growth rate as it approaches the carrying capacity?
Which of the following is a density-dependent limiting factor for population growth?
Which of the following is a density-dependent limiting factor for population growth?
What is the maximum population size that an environment can sustain indefinitely?
What is the maximum population size that an environment can sustain indefinitely?
Which of the following survivorship curves is typical for species with high reproductive rates and high mortality in early life stages?
Which of the following survivorship curves is typical for species with high reproductive rates and high mortality in early life stages?
What is the term used to describe the proportion of individuals in each age group within a population?
What is the term used to describe the proportion of individuals in each age group within a population?
Which of the following is an example of a density-independent factor?
Which of the following is an example of a density-independent factor?
What is the primary characteristic that distinguishes K-selected species from R-selected species?
What is the primary characteristic that distinguishes K-selected species from R-selected species?
Which of the following is an example of a density-dependent factor?
Which of the following is an example of a density-dependent factor?
What is the carrying capacity of an environment?
What is the carrying capacity of an environment?
What is the primary factor that limits the growth of a population in a logistic growth model?
What is the primary factor that limits the growth of a population in a logistic growth model?
Which of the following is an example of a limiting factor for a population?
Which of the following is an example of a limiting factor for a population?