Carrying Capacity and Limiting Factors

What do limiting factors do?

• Separate biotic factors from abiotic factors.

• Determine which is the predator and which is the prey.

• Regulate how many organisms live in an ecosystem.

• Determine which natural disasters will hit an area.

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Organisms need ​​_____ to live and survive.

• space and resources

• resources

• space

• space

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Which of the following are abiotic limiting factors?

• The decomposers in an ecosystem.

• Carrying capacities of several species.

• The populations of producers in a given habitat.

• Water, space, and oxygen.

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Which of the following is a biotic limiting factor?

• The amount of breathable oxygen available to a population.

• The nitrogen to oxygen ratio in the air supply.

• Food available for organisms.

• The number of bodies of water in a habitat.

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In biology, what is carrying capacity?

• 
  How much weight an organism can lift.

• The maximum population size an ecosystem can support.

• A total list of the limiting factors.

• How much pain an organism can tolerate.

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The size of the population of a species in an ecosystem is determined by the ________factors available to them.

• writing and drawing

• chemistry

• biotic and abiotic

• blanket and pillow

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Besides factors such as water, space, food, and oxygen, carrying capacity is affected by how many _______there are.

• cars

• houses

• schools

• organisms

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What do decomposers do?

• Feed on carnivores exclusively.

• Break down and recycle dead organisms and organic matter.

• Prevent living organisms from taking up space in an ecosystem.

• Feed on producers exclusively.

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What happens to the population of a species after it reaches its carrying capacity?

• Increases linearly (in a straight line) over time.

• Decreases to zero in a very short amount of time.

• Increases exponentially (line is curved) over time.

• 
  Remains relatively the same.

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What can destroy the amount of resources in an ecosystem?

• 
  Natural disasters.

• Hurricanes only.

• 
  Tornados only.

• Tsunamis only.

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