Populations and Communities

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What is primary succession?

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Primary succession is the process of ecological change that occurs in an area where no soil exists, such as a new island formed by a volcanic eruption.

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What is secondary succession?

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Secondary succession is the process of ecological change that occurs in an area where soil is present but has been disturbed, such as a forest clearing.

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How does an increase in predator population affect prey population?

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An increase in predator population typically leads to a decrease in prey population due to increased predation.

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What is mutualism?

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Mutualism is a type of symbiotic relationship where both species benefit from the interaction.

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What is commensalism?

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Commensalism is a type of symbiotic relationship where one organism benefits and the other is neither helped nor harmed.

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What is parasitism?

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Parasitism is a type of symbiotic relationship where one organism benefits at the expense of the other.

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What is a population in an ecosystem?

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A population is a group of individuals of the same species living in a specific area.

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What is a community in an ecosystem?

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A community is a group of different populations that live together in a specific area.

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What is an ecosystem?

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An ecosystem is a community of living organisms interacting with their physical environment.

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What are the levels of organization in an ecosystem?

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The levels of organization in an ecosystem, from smallest to largest, are: organism, population, community, ecosystem.