Ecosystems

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What is an ecosystem?

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An ecosystem is a community of living organisms (plants, animals, and microorganisms) interacting with their physical environment (soil, water, and climate).

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What is a population in ecological terms?

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

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What is a community in ecology?

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A community is made up of all the different populations of organisms living together in a particular area.

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What is a habitat?

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A habitat is the natural environment in which an organism lives, including all biotic and abiotic factors.

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What is a niche?

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A niche is the role or function of an organism within its ecosystem, including its habitat, resource use, and interactions with other organisms.

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What is the ultimate source of energy for most ecosystems?

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The ultimate source of energy in most ecosystems is the sun.

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What are producers in an ecosystem?

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Producers are organisms, like plants and algae, that can make their own food through photosynthesis.

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What are consumers in an ecosystem?

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Consumers are organisms that cannot produce their own food and must eat other organisms for energy.

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What are decomposers?

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Decomposers are organisms, such as bacteria and fungi, that break down dead organic matter, returning nutrients to the soil.

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What is biodiversity?

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Biodiversity refers to the variety of life in a particular habitat or ecosystem, including the number of different species.