Population Growth Models

What is the definition of population growth?

• The increase in the number of individuals in a population over time.

• The decrease in the number of individuals in a population over time.

• The stabilization of the number of individuals in a population over time.

• The fluctuation of the number of individuals in a population over time.

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DOK Level 2: Skill/Concept

Which of the following best describes the logistical growth model?

• Population grows without any limits.

• Population growth slows as it approaches the carrying capacity.

• Population decreases exponentially over time.

• Population remains constant over time.

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DOK Level 2: Skill/Concept

In the exponential growth model, what is the primary characteristic of population growth?

• Population growth rate decreases over time.

• Population growth rate remains constant.

• Population growth rate increases over time.

• Population growth rate fluctuates randomly.

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DOK Level 2: Skill/Concept

Compare the logistical and exponential growth models. Which statement is true?

• Both models predict unlimited population growth.

• Logistical growth considers carrying capacity, while exponential growth does not.

• Exponential growth considers carrying capacity, while logistical growth does not.

• Both models predict population decline over time.

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DOK Level 2: Skill/Concept

Which of the following is a real-world example of exponential growth?

• Human population growth in the 20th century.

• Growth of a bacterial colony in a petri dish with limited nutrients.

• Population of deer in a forest with limited food supply.

• Fish population in a lake with a stable ecosystem.

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DOK Level 2: Skill/Concept

• Initial population size.

• Time.

• Growth rate.

• Carrying capacity.

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DOK Level 3: Strategic Thinking

• The growth rate increases.

• The growth rate decreases.

• The growth rate remains constant.

• The population size decreases.

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DOK Level 3: Strategic Thinking

• It limits the maximum population size.

• It increases the growth rate.

• It decreases the initial population size.

• It has no effect on population growth.

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DOK Level 3: Strategic Thinking

Explain why the exponential growth model is not sustainable in the long term for most populations.

• Resources are unlimited.

• Environmental resistance factors are ignored.

• Carrying capacity is considered.

• Population growth rate decreases over time.

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DOK Level 3: Strategic Thinking

A population of rabbits in a forest follows a logistical growth model. If the carrying capacity is 500 and the initial population is 50, describe the population growth over time.

• The population will grow exponentially without limits.

• The population will grow rapidly at first, then slow down as it approaches 500.

• The population will decrease over time.

• The population will remain constant at 50.

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DOK Level 3: Strategic Thinking