Populations & Biosphere Review

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What is Secondary Succession?

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Secondary Succession is the process of ecological recovery that occurs in an area where a disturbance has destroyed a community but left the soil intact, such as after a forest fire.

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What is Nitrification?

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Nitrification is the process by which microbes (bacteria) convert ammonia into nitrates in the soil, making nitrogen available for plant uptake.

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What does Immigration mean in ecology?

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Immigration refers to the movement of individuals into a population or area.

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What are Density-Dependent Limiting Factors?

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Density-Dependent Limiting Factors are factors that affect population growth in relation to the population density, such as competition, predation, parasitism, and disease.

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What effect does a limiting factor have on population growth?

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A limiting factor can cause a population's growth to decrease.

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What is the difference between Immigration and Emigration?

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Immigration is the movement into an area, while Emigration is the movement out of an area.

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What is Nitrogen Fixation?

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Nitrogen Fixation is the process by which atmospheric nitrogen is converted into ammonia or related compounds in soil, making it available for plants.

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What is Ammonification?

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Ammonification is the process by which organic nitrogen is converted into ammonia by decomposers.

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What is Denitrification?

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Denitrification is the process by which nitrates are reduced to nitrogen gas, returning nitrogen to the atmosphere.

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What is a Limiting Factor?

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A Limiting Factor is any resource or condition that restricts the growth, abundance, or distribution of an organism or population.