Ecosystems and symbiosis

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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, air) in a specific area.

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What is symbiosis?

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Symbiosis is a close and long-term interaction between two different species, which can be beneficial, neutral, or harmful to one or both parties.

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What is commensalism?

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Commensalism is a type of symbiosis where one organism benefits while the other is neither helped nor harmed.

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What is mutualism?

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Mutualism is a type of symbiosis where both organisms benefit from the interaction.

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What is parasitism?

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

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What is a producer?

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A producer is an organism that can make its own food, typically through photosynthesis, such as plants.

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What is a consumer?

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A consumer is an organism that obtains energy by eating other organisms.

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What is a predator?

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A predator is an animal that hunts, kills, and eats other animals.

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What is prey?

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Prey is an animal that is hunted and eaten by predators.

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What is a decomposer?

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A decomposer is an organism that breaks down dead or decaying organisms, returning nutrients to the ecosystem.