Biodiversity, Food Webs and Chains

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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, genetic diversity, and the variety of ecosystems.

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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, starting from producers to various levels of consumers.

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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, illustrating how different organisms are related through feeding relationships.

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Define producers in an ecosystem.

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

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What are consumers?

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Consumers are organisms that cannot produce their own food and rely on consuming other organisms for energy. They can be classified as herbivores, carnivores, or omnivores.

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What is the role of decomposers in an ecosystem?

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Decomposers, such as fungi and bacteria, break down dead organic matter, recycling nutrients back into the ecosystem.

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NGSS.MS-LS2-3

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What is a carnivore?

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A carnivore is a type of consumer that primarily eats other animals.

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What is an herbivore?

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An herbivore is a type of consumer that primarily eats plants.

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What is an omnivore?

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An omnivore is a type of consumer that eats both plants and animals.

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What do the arrows in a food chain represent?

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The arrows in a food chain indicate the direction of energy flow from one organism to another.