Summary
Daniel explains how energy moves through food chains: producers (plants), consumers (herbivores, omnivores, carnivores), and decomposers. Uses real ecosystem examples and introduces food webs as overlapping chains. A clear science lesson for grades 2–5.
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Teaching resources
Discussion questions
Discussion
Food chains show how energy from the sun passes through living things.
- What is the difference between a producer and a consumer?
- What role do decomposers play? What would happen without them?
- What would happen to a food chain if one organism in the middle disappeared?
Quick work-a-long
Vocabulary: food chain, producer, consumer, decomposer, herbivore, carnivore, omnivore, energy.
Try it: Draw a 4-link food chain for a grassland ecosystem. Label each organism's role.