Recycling of Matter and Ecosystems Article

What is matter?

• Anything that has mass and takes up space

• Substances that provide nourishment

• The process of breaking down waste

• Organisms that break down dead matter

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What are nutrients?

• Substances that provide nourishment essential for growth

• Organisms that decompose waste

• The process of recycling matter

• Anything that has mass and takes up space

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What is the recycling of matter?

• The process of breaking down waste and returning it to the environment

• The transfer of energy between organisms

• The conversion of nutrients into waste

• The growth of plants and animals

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What role do producers play in the ecosystem?

• Convert necessary matter into usable nutrients

• Break down dead organisms

• Consume other living things

• Provide energy to decomposers

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What is a decomposer?

• An organism that breaks down dead organisms and waste

• A producer that converts matter into nutrients

• A consumer that eats plants

• A nutrient that provides energy

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How is matter recycled within the biosphere?

• By decomposers breaking down dead organisms and waste

• By producers creating energy

• By consumers eating plants

• By nutrients being expelled as waste

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What happens to unused nutrients in an organism?

• They are expelled as waste products

• They are converted into energy

• They are stored for later use

• They are used to build new cells

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What is the role of decomposers in the ecosystem?

• Break down dead organisms and recycle matter

• Convert energy into nutrients

• Consume producers for energy

• Provide food for primary consumers

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Why is the recycling of matter important for Earth's biosphere?

• It ensures a supply of accessible matter for organisms

• It increases the energy available to producers

• It reduces the need for decomposers

• It prevents the growth of new organisms

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What do organisms use matter for?

• To build their biological systems

• To convert into energy

• To expel as waste

• To decompose other organisms

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