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Exploring Food Chains: Energy Transfer in Ecosystems

Understand the concept of food chains and how energy flows from the sun to plants, insects, animals, and back to the soil. Explore producers, consumers, and the role of nutrients in sustaining life cycles. Discover the interconnectedness of organisms and the transfer of matter and energy.

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Exploring Food Chains: Energy Transfer in Ecosystems

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  1. What is a food chain?

  2. Unit Standards

  3. What is a food chain? • Living things need energy to live and grow. Energy is passed from the sun to the plant to the insect to the bird.

  4. What is a food chain? • Food chain- shows how energy passes from one organism to another as food

  5. What is a food chain? • Producers- organisms that make their own food

  6. What is a food chain? • Consumers- organisms that cannot make their own food; they must consume other organisms for food.

  7. What is a food chain? • Most food chains are similar in a few ways. Sunlight is at the beginning of nearly all food chains. • A plant, or producer, is next in the chain. Then, an animal eats the plant. • Next, an animal eats the plant eater. • The chain continues until tiny living things break down dead organisms and return nutrients to the soil.

  8. What is a food chain?

  9. What is a food chain? • The nutrients they return to the soil are used by new plants, and the chain begins again.

  10. What is a food chain? • With each step of the food chain, matter and energy pass from one organism to another. • Because organisms use most of the energy in food to live and grow, only a small amount of energy is passed from organism to organism.

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