How Populations Grow

What is exponential growth in population?

• A constant rate increase in population size over time

• A decrease in population size over time

• A fluctuating rate of population growth

• A stable population size over time

What is carrying capacity?

• The maximum number of individuals an environment can support

• The minimum number of individuals needed for a population

• The average number of individuals in a population

• The number of individuals that can migrate into a population

What happens when a population reaches its carrying capacity?

• Growth slows down and stabilizes

• Population size continues to increase exponentially

• Resources become unlimited

• Population size decreases rapidly

How does high population density affect population growth?

• It leads to increased competition for resources

• It results in unlimited resources

• It causes a decrease in population size

• It ensures stable growth without competition

What is the effect of immigration on population size?

• It increases population size

• It decreases population size

• It has no effect on population size

• It stabilizes population size

What is exponential growth in population?

• A constant rate increase in population size when resources are abundant.

• A decrease in population size due to limited resources.

• A stable population size at carrying capacity.

• A fluctuating population size due to immigration and emigration.

What happens when a population reaches its carrying capacity?

• The growth rate slows down and stabilizes.

• The population continues to grow exponentially.

• The population size decreases rapidly.

• The population becomes extinct.

Which factor does NOT influence carrying capacity?

• Color of the individuals in the population.

• Food availability.

• Habitat space.

• Competition for resources.

What is the effect of high population density?

• Increased competition for resources.

• Underutilization of resources.

• Stable population growth.

• Decreased birth rate.

How do invasive species affect population dynamics?

• By introducing new competition and predation pressures.

• By stabilizing the population size at carrying capacity.

• By decreasing the genetic diversity of native species.

• By reducing the birth rate of native species.