TN Ready Review: Ecosystems: Interactions, Energy and Dynamics

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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 (air, water, soil) in a specific area.

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What is the role of producers in an ecosystem?

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Producers, like plants, create their own food through photosynthesis and provide energy for other organisms in the ecosystem.

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What are consumers in an ecosystem?

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Consumers are organisms that cannot produce their own food and rely on eating other organisms (plants or animals) for energy.

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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 in an ecosystem.

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What is a food web?

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A food web is a complex network of interconnected food chains that shows how different organisms in an ecosystem are related through feeding relationships.

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What is biodiversity?

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Biodiversity refers to the variety of living organisms in a particular ecosystem, including the diversity of species, genetic variation, and ecosystem diversity.

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What is an invasive species?

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An invasive species is a non-native organism that spreads rapidly in a new environment, often outcompeting native species for resources.

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What is the significance of decomposers in an ecosystem?

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Decomposers, like fungi and bacteria, break down dead organic matter, recycling nutrients back into the soil and supporting new plant growth.

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How do temperature and climate affect ecosystems?

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Temperature and climate influence the types of plants and animals that can survive in an ecosystem, affecting biodiversity and species interactions.

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What is the impact of overpopulation of a species in an ecosystem?

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Overpopulation can lead to resource depletion, habitat destruction, and a decline in biodiversity as native species struggle to survive.