Biosphere

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What is the biosphere?

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The biosphere is the global sum of all ecosystems, containing all living things on Earth.

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What type of relationship is it when one organism benefits at the expense of another?

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Parasitism is a relationship where one organism (the parasite) benefits while harming the other (the host).

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What is habitat destruction?

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Habitat destruction refers to the process in which natural habitat becomes incapable of supporting its native species, leading to a loss of biodiversity.

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True or False: Food webs show everything an animal eats, while food chains show only one thing.

Back

True.

Front

What are limiting factors in an ecosystem?

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Limiting factors are resources such as food, water, sunlight, shelter, and space that restrict the growth of populations.

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What is mutualism?

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Mutualism is a symbiotic relationship where both organisms benefit from the interaction.

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What is commensalism?

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Commensalism is a type of symbiotic relationship where one organism benefits while the other is neither helped nor harmed.

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What is the difference between a food web and a food chain?

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A food chain shows a linear sequence of energy transfer between organisms, while a food web illustrates the complex interconnections between multiple food chains in an ecosystem.

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What is biodiversity?

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Biodiversity refers to the variety of life in a particular habitat or ecosystem, including the number of different species.

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What is an ecosystem?

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