Population Growth and Migration

What type of growth is shown in the diagram?

• exponential growth

• logistic growth 

• predator-prey cycle

• boom-bust curve

What is exponential population growth?

• No change in population size over time with a growth rate proportional to the current population size.

• Sudden decrease in population size over time with a growth rate proportional to the current population size.

• Gradual decrease in population size over time with a growth rate proportional to the current population size.

• Rapid increase in population size over time with a growth rate proportional to the current population size.

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What is logistic population growth?

• A type of population growth that follows an exponential curve.

• A type of population growth that follows a linear curve.

• A type of population growth that follows a bell-shaped curve.

• A type of population growth that follows a sigmoidal or S-shaped curve.

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Define carrying capacity.

• maximum number of individuals of a species that an environment can support sustainably

• maximum number of individuals of a species that an environment cannot support sustainably

• average number of individuals of a species that an environment can support sustainably

• minimum number of individuals of a species that an environment can support sustainably

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Explain the concept of population growth graph examples.

• A population growth graph is a visual representation of how the population of a certain species or group changes over time.

• A population growth graph is a visual representation of how the number of cars on the road changes over time.

• A population growth graph is a visual representation of how the stock market changes over time.

• A population growth graph is a visual representation of how the weather changes over time.

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Which type of population growth shows a J-shaped curve?

• linear growth

• logistic growth

• arithmetic growth

• exponential growth

What is the main difference between exponential and logistic population growth?

• Exponential growth occurs when resources are unlimited, while logistic growth occurs when resources become limited.

• Exponential growth occurs when resources are constant, while logistic growth occurs when resources become limited.

• Exponential growth occurs when resources are limited, while logistic growth occurs when resources become unlimited.

• Exponential growth occurs when resources are limited, while logistic growth occurs when resources are constant.

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What happens to a population when it exceeds the carrying capacity of its environment?

• The carrying capacity of the environment increases to accommodate the population.

• The population faces resource scarcity and may decline in size.

• The population adapts to the new environment and thrives.

• The population continues to grow indefinitely.

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Describe the S-shaped curve in logistic population growth.

• The S-shaped curve in logistic population growth describes the decline of a population over time, starting with high growth, decelerating, and eventually reaching zero.

• The S-shaped curve in logistic population growth describes the growth of a population over time, starting with slow growth, accelerating, and eventually leveling off at the carrying capacity.

• The S-shaped curve in logistic population growth describes the exponential growth of a population over time, with no leveling off.

• The S-shaped curve in logistic population growth describes the random fluctuations in population size over time, with no clear pattern.

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Which statement best explains section X?

• competition does not occur between members of different species in the same habitat

• energy is used for interbreeding between members of different species

• the population has reached the carrying capacity of its environment

• a predator recycles the remains of dead organisms

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