5th Grade Science NCDPI Formative Assessment (Life)

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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 are producers in an ecosystem?

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Producers are organisms that make their own food through photosynthesis, such as plants and algae.

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What are consumers in an ecosystem?

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Consumers are organisms that cannot make their own food and rely on eating other organisms for energy, such as animals.

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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 in an ecosystem, showing how different organisms are related through feeding relationships.

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What is the role of decomposers in an ecosystem?

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Decomposers break down dead organic matter, returning nutrients to the soil and helping to recycle materials in the ecosystem.

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What is the basic unit of life?

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The cell is the basic unit of life, making up all living organisms.

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What is the difference between a habitat and a niche?

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A habitat is the environment where an organism lives, while a niche is the role or function of that organism within its habitat.

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What is biodiversity?

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Biodiversity refers to the variety of different species of plants, animals, and microorganisms in a particular ecosystem.

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What happens if a species in an ecosystem goes extinct?

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If a species goes extinct, it can disrupt the food chain and affect the survival of other species that depend on it for food or other resources.