Ecosystems - Limiting Factors

Limiting factors are sometimes helpful because they can keep the population from getting too large.

• True
• False

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Any REOURCE or organism that limits the size of a population of another organism is known as __________.

• carrying capacity

• a limiting factor
• factorization
• materialization of precipitation

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If a disease destroying barley plants swept through an ecosystem, what would happen to the bird population that eat barley plants?

• The bird population would stay the same

• The bird population would infinitely increase

• The bird population would decrease

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What happens when an environment reaches its carrying capacity?

• Populations will decrease
• Resources such as food, water, and space will be unlimited
• Populations will increase
• Nothing, everything will stay the same.

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What will happen if all of the frogs in a population die?

• The frogs' predators will decrease and the frogs' prey will increase

• The frogs' predators will increase and the frogs' prey will decrease

• We better all pray because there isn't anymore frogs.

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The largest number of organisms in a population that the environment can support. 

• Carrying Capacity
• Limiting Factor
• Reproductive Potential

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What are some abiotic factors that could be limiting factors in a river ecosystem?

• water/floods, rocks for shelter

• plants, floods

• fish, birds, turtles, frogs

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Temperature, light, air, water, and soil are all  _____  parts of the environment

• alive
• biotic 
• abiotic
• living

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In the forest there is enough food for 45 bears, enough water for 30 bears and enough shelter for 10 bears.

What's the limiting factor?

• food

• water

• shelter

• 10 bears

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How do limiting factors in an ecosystem help keep the ecosystem sustainable?

• They limit the amount of change to the ecosystem

• They limit the growth of populations within the ecosystem

• They limit the factors that can affect the ecosystem

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