B-LS2-1 Factors that Affect Carrying Capacity

What is the definition of carrying capacity in an ecosystem?

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

• The total number of species in an ecosystem.

• The amount of food available in an ecosystem.

• The number of predators in an ecosystem.

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NGSS.HS-LS2-1

Which of the following factors can directly affect an ecosystem's carrying capacity for its organisms?

• The color of the plants.

• The availability of water.

• The shape of the leaves.

• The type of soil.

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NGSS.HS-LS2-1

If an ecosystem has a carrying capacity of 1000 and currently supports 800 individuals, how many additional individuals can it sustain?

• 200

• 100

• 300

• 400

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NGSS.HS-LS2-1

What is the primary factor that determines the carrying capacity of an ecosystem?

• The number of species present.

• The availability of resources.

• The size of the ecosystem.

• The climate of the region.

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NGSS.HS-LS2-1

How does an increase in predators affect the carrying capacity of prey in an ecosystem?

• Increases the carrying capacity.

• Decreases the carrying capacity.

• Has no effect on the carrying capacity.

• Doubles the carrying capacity.

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NGSS.HS-LS2-1

Which of the following is a simple procedure to estimate the carrying capacity of a small pond ecosystem?

• Counting the number of fish.

• Measuring the water temperature.

• Calculating the amount of available food.

• Observing the plant growth rate.

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NGSS.HS-LS2-1

If the carrying capacity of a forest is 1500 deer and the current population is 1200, what percentage of the carrying capacity is being used?

• 80%

• 75%

• 85%

• 90%

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NGSS.HS-LS2-1

What happens to the carrying capacity of an ecosystem if a new water source is introduced?

• It decreases.

• It remains the same.

• It increases.

• It becomes zero.

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NGSS.HS-LS2-1

Which term describes the maximum population size that an environment can sustain indefinitely?

• Biotic potential

• Carrying capacity

• Population density

• Ecological footprint

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NGSS.HS-LS2-1

How does a decrease in food supply affect the carrying capacity of an ecosystem?

• Increases the carrying capacity.

• Decreases the carrying capacity.

• Has no effect on the carrying capacity.

• Triples the carrying capacity.

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NGSS.HS-LS2-1