8.L.3 Ecosystems

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What is a producer in an aquatic ecosystem?

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A producer in an aquatic ecosystem is an organism that can produce its own food through photosynthesis or chemosynthesis, such as algae.

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What happens to organisms in an ecosystem when their habitat is destroyed?

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Many of the organisms would perish due to habitat loss.

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What are the major abiotic factors that influence plant growth in an ecosystem?

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Precipitation and temperature are major abiotic factors that determine the types of plants that can grow in an ecosystem.

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What is mutualism in ecological terms?

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Mutualism is a symbiotic relationship where both species benefit, such as ants protecting an acacia tree in exchange for nectar.

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What role do decomposers play in an ecosystem?

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Decomposers break down dead matter and waste, preventing it from piling up and recycling nutrients back into the ecosystem.

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Define an ecosystem.

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An ecosystem is a community of living organisms interacting with their physical environment.

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What is the difference between biotic and abiotic factors?

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Biotic factors are living components of an ecosystem, while abiotic factors are non-living physical and chemical elements.

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Give an example of a primary consumer in an ecosystem.

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An example of a primary consumer is a herbivore, such as a rabbit, that feeds on producers like plants.

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What is the significance of biodiversity in an ecosystem?

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Biodiversity contributes to ecosystem resilience, productivity, and stability, allowing ecosystems to adapt to changes.

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How do invasive species affect ecosystems?

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Invasive species can disrupt local ecosystems by outcompeting native species for resources, leading to declines in biodiversity.

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