Ecosystems

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What is an ecosystem?

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An ecosystem is a community of living organisms (biotic factors) interacting with their physical environment (abiotic factors) in a specific area.

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What are biotic factors?

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Biotic factors are the living components of an ecosystem, such as plants, animals, fungi, and microorganisms.

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What are abiotic factors?

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Abiotic factors are the non-living components of an ecosystem, including sunlight, water, temperature, soil, and air.

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What is the biosphere?

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The biosphere is the global sum of all ecosystems, representing the zone of life on Earth.

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What is habitat loss?

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Habitat loss is the destruction or alteration of the natural environment where organisms live, leading to declines in species populations.

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What is the primary cause of species extinction?

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The primary cause of species decline and extinction is habitat loss.

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What is a trophic level?

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A trophic level is a position in a food chain or food web, representing the flow of energy from one level to the next.

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What percentage of energy is passed on to the next trophic level?

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Only about 10% of the energy is passed on to the next trophic level.

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What is a parasitic relationship?

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A parasitic relationship is a type of interaction where one organism benefits at the expense of another.

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What are sudden artificial stressors?

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Sudden artificial stressors are human-induced changes that occur rapidly, such as the use of pesticides or deforestation.