Biology Population Growth Quiz

What is a limiting factor in population growth?

• A factor that only affects human populations

• A factor that has no effect on population size

• A factor that decreases population size

• A factor that increases population size

What is the term for the rapid increase in population size when resources are abundant?

• Exponential growth

• Initial growth

• Carrying capacity

• Steady state

What does the carrying capacity of an environment represent?

• The minimum number of organisms that can survive

• The maximum number of organisms that can survive on available resources

• The number of organisms that can survive without any resources

• The average number of organisms in an ecosystem

What might cause a population to decline significantly?

• An abundance of resources

• A new disease or environmental disturbance

• A decrease in predators

• An increase in birth rates

In a predator-prey relationship, what happens when the prey population increases?

• The ecosystem remains unchanged

• The predator population increases

• The prey population becomes extinct

• The predator population decreases

What is the result of a predator population eating too much prey?

• The predator population increases

• The ecosystem remains unchanged

• The predator population decreases

• The prey population increases

What is extinction?

• A temporary decrease in population size

• The stabilization of a population

• A permanent increase in population size

• The complete disappearance of a species

Which of the following is an example of a species that went extinct due to human activity?

• The dodo bird

• The Tasmanian devil

• The common rabbit

• The golden toad

What is a challenge in determining the carrying capacity for humans?

• Humans do not consume resources

• Humans have a fixed carrying capacity

• Humans can adapt and develop new technologies

• Humans are not affected by environmental changes

What historical event caused a significant dip in the human population?

• The Age of Exploration

• The Renaissance

• The Black Plague

• The Industrial Revolution