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Laabri

Population Ecology Part 2 Practice

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Last updated over 1 year ago
13 Nsɛmmisa
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Asemmisa {{asɛmmisaAhyɛnsode}}
1.

Individuals of the same species in the same area are known as a .....

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2.

Individuals of different species in the same area are known as a ....

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3.

Sort the following into density dependent and density independent factors:

  • Ex = intraspecific competition

  • Ex = extreme weather events

  • Effect intensifies as a population increases in density

  • Typically leads to a population reaching a carrying capacity

  • Regulates population growth through mechanisms like intraspecific competition

  • Ex = natural disaster

  • Typically causes a logistic growth pattern

  • Ex = disease/parasites

  • Effect does not intensify or vary as a population increases in density

  • Density dependent limiting factors

  • Density independent limiting factors

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4.

Sort the following examples into density dependent and density independent factors

  • Deforestation is occurring in a rainforest that is affecting access to nesting locations for a species of bird

  • There is a chemical spill that kills of a large portion of a species of fish

  • E coli is spreading throughout a population

  • Gazelle's are competing for limited food

  • There is a wildfire that destroys the habitat of many tree frogs

  • There is a drought that affects water availability for African elephants

  • Parasites are being passed throughout a population due to contaminated water

  • Penguins are competing for limited space to breed and raise their offspring

  • Density dependent limiting factor

  • Density independent limiting factor

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5.

In a predator prey cycle what generally happens when the prey population size increases?

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6.

Explain why in 1 sentence. This will be marked wrong but once you submit you can compare your answer to mine.

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7.

In a predator prey cycle what generally happens when the predator population size increases?

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8.

Explain why in 1 sentence. This will be marked wrong but once you submit you can compare your answer to mine.

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9.

In a predator prey cycle what generally happens when the prey population size starts to decrease?

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10.

Explain why in 1 sentence. This will be marked wrong but once you submit you can compare your answer to mine.

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11.

In a predator prey cycle what generally happens when the predator population size starts to decrease?

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12.

Explain why in 1 sentence. This will be marked wrong but once you submit you can compare your answer to mine.

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13.

Look at the above graph and explain one full predator prey cycle using specific data. This should be a relatively detailed answer (my answer is about 8 sentences).