Unit 3: Population Ecology.1

What is the carrying capacity?

• The number of individuals that can migrate into an ecosystem.

• The maximum number of individuals that an environment can support indefinitely.

• The minimum number of individuals required for a population to survive.

• The average number of individuals in a population over time.

Which of the following is a biotic limiting factor?

• Availability of nutrients

• Space

• Temperature

• Predation

What happens when a population exceeds its carrying capacity?

• The population will migrate to a new area.

• The population will remain stable.

• The population will continue to grow indefinitely.

• The population will decrease due to lack of resources.

Which of the following is an abiotic limiting factor?

• Pollution

• Mutualism

• Disease

• Competition

What is the equilibrium point in population ecology?

• The point where the population size can be maintained by the environment.

• The point where the population size starts to decline.

• The point where the population size is zero.

• The point where the population size reaches its maximum growth rate.

How does competition affect carrying capacity?

• It stabilizes the carrying capacity.

• It decreases the carrying capacity.

• It has no effect on the carrying capacity.

• It increases the carrying capacity.

What is ecological homeostasis?

• The ability of a population to grow indefinitely.

• The cycling of a population above and below the equilibrium point.

• The extinction of a population.

• The migration of a population to a new area.

Which of the following can alter the carrying capacity of an ecosystem?

• All of the above

• Human activities

• Introduction of new species

• Natural disasters

What is the effect of increased mutualism on carrying capacity?

• It decreases the carrying capacity.

• It stabilizes the carrying capacity.

• It has no effect on the carrying capacity.

• It increases the carrying capacity.

Which of the following is NOT a factor that influences carrying capacity?

• Food availability

• Color of the species

• Water availability

• Shelter availability