Biology Review

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What is a parasitic plant?

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A parasitic plant is one that derives some or all of its nutritional requirements from another living plant, often harming the host in the process. Example: Dodder plants.

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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 recycling materials back into the ecosystem.

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What is an energy pyramid?

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An energy pyramid is a graphical representation of the energy flow in an ecosystem, showing the amount of energy available at each trophic level.

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What happens to an ecosystem when it is left undisturbed?

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It may gradually shift toward a stable ecosystem, allowing for the re-establishment of original species and ecological balance.

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What is the primary source of energy for producers in an ecosystem?

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The primary source of energy for producers is sunlight, which they use to perform photosynthesis.

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What are the main types of ecological relationships?

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The main types include mutualism, commensalism, parasitism, predation, and competition.

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How can humans reduce global warming?

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Humans can reduce global warming by using alternative energy sources, such as wind or solar power, and reducing fossil fuel consumption.

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What is the difference between a carnivore and a herbivore?

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Carnivores are animals that primarily eat other animals, while herbivores primarily consume plants.

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What is ecological succession?

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Ecological succession is the process by which ecosystems change and develop over time, often following a disturbance.

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NGSS.MS-LS2-4

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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 better withstand changes.

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