Limiting Factors

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

• True
• False

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A snake is eaten by a hawk. The hawk is the _______.

• prey
• parasite
• predator
• all of these

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When there is a lack of resources such as food, water, sunlight, shelter, and space this is often called __________.

• limiting factors
• wet
• messy
• found in rocks

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If the population of a certain predator increases, there is often _______ its prey

• a decrease the population of
• an increase of the population of 
• great news for its prey of
• no  impact found on

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If there is more food than usual in an ecosystem, then...

• Populations will stay the same
• Populations will decrease
• Populations will increase

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Any thing or organism that regulates the size of a population of another organism is known as __________.

• a limiting measure
• a limiting factor
• factorization
• materialization of precipitation

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If a disease destroying barley plants in a field swept through an ecosystem, what would happen to the barley eating bird population in the the field ?

• The bird population would stay the same
• The bird population would infinitely increase
• The bird population would decrease

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What would happen if the population of hawks suddenly increased? How would it affect the other organisms in the ecosystem?

• The snakes would decrease due to more hawks eating them
• All of the population of organisms would increase
• The biotic factors in the ecosystem would increase
• The hawks predators would decrease

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A relationship between two species in which one species benefits and the other is neither helped nor harmed.

• Mutualism
• Symbiosis
• Commensalism
• Parasitism

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
• The frogs' predators will increase and they frogs' prey in increase.
• We better all pray because there isn't anymore frogs.

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