Ecology Introduction Biotic and Abiotic Factors

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Abiotic factors

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Non-living parts of the environment that affect living organisms, such as sunlight, water, and minerals.

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Ecology

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The scientific study of interactions among organisms, populations, and communities and their interactions with their environment.

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Community

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All the populations of different species that live in a given area.

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Biotic factors

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Living parts of the environment that affect organisms, such as plants, animals, and microorganisms.

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Ecosystem

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All the organisms in an area, the community, and the abiotic factors that influence that community.

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Biosphere

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The global sum of all ecosystems; the zone of life on Earth.

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Population

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

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Habitat

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The natural environment in which an organism lives, including all biotic and abiotic factors.

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Niche

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The role or function of an organism or species within an ecosystem, including its habitat, resource use, and interactions with other organisms.

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Food chain

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A linear sequence of organisms through which nutrients and energy pass as one organism eats another.