Topic 7: Populations, Communities, and Ecosystems

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What is Primary Succession?

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Primary Succession is the process by which an ecosystem develops in an area where no soil exists, such as after a volcanic eruption or glacier retreat.

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What is Competition in ecology?

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Competition occurs when two or more organisms use the same resource, such as food, water, or space, leading to a struggle for survival.

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What is Parasitism?

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Parasitism is a relationship between two organisms where one organism (the parasite) benefits at the expense of the other (the host), often causing harm.

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What is an example of Parasitism?

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A tapeworm living in the intestines of a cat is an example of parasitism.

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What is High Biodiversity?

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High biodiversity refers to having a lot of variety of different organisms in an ecosystem, which contributes to its health and stability.

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What is Mutualism?

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Mutualism is a symbiotic relationship where both organisms benefit from the interaction, such as bees pollinating flowers.

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What is Commensalism?

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Commensalism is a relationship where one organism benefits while the other is neither helped nor harmed, like barnacles on a whale.

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What is Secondary Succession?

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Secondary Succession is the process of ecosystem development that occurs in an area where a disturbance has destroyed an existing community but left the soil intact.

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What is an Ecosystem?

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

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What is a Community in ecology?

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A community is a group of different species that live together in one area and interact with each other.