FOSS Living Systems Inv. 1 Part 2: Ecosystems and Energy Flow

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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 the flow of energy in an ecosystem?

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Energy flows from producers to consumers to decomposers.

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Who are producers in an ecosystem?

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Producers are organisms, like plants, that create their own food through photosynthesis.

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What is the role of consumers in an ecosystem?

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Consumers are organisms that eat other organisms for energy.

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What are decomposers?

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Decomposers are organisms, like fungi and bacteria, that break down dead organisms and recycle nutrients back into the ecosystem.

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What is a food chain?

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A food chain is a linear sequence that shows how energy and nutrients flow from one organism to another.

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What is a food web?

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A food web is a complex network of interconnected food chains in an ecosystem.

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What is the primary source of energy for most ecosystems?

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The primary source of energy for most ecosystems is the Sun.

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What is a herbivore?

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A herbivore is an animal that primarily eats plants.

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What is a carnivore?

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A carnivore is an animal that primarily eats other animals.