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  1. A food chain always starts with a producer. A producer is an organism that makes its own food. Most food chains start with a green plant, because plants make their own food by photosynthesis.

  2. Teach your KS2 class about food chains with this engaging ready-to-teach lesson. It starts by recapping the terms 'carnivore', 'herbivore' and 'omnivore' before going on to explore what a food chain is and what food chain diagrams represent.

  3. A food chain shows the feeding relationship between organisms. They always start with an organism that makes food. The producer. In this example, it's grass.

  4. Focus on the fact that plants make their own food rather than the detail of how this happens. This lesson includes the word photosynthesis for pupils to begin to use if they are able to, however, focus on why plants are the producers in a food chain.

  5. Food chains and webs show the transfer of energy between trophic levels. They can be represented as pyramids of number and biomass and the efficiency of these transfers can be calculated.

  6. We use a food chain diagram to show how food passes from one type of organism to another. Here's an example. Grass, a producer, makes the food that it needs. Grass is food for rabbits. Rabbits eat or consume the grass to get the food they need. A rabbit is food for foxes. Foxes eat or consume rabbits for food.

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  8. Producers are organisms that can make their own food, including plants and some microorganisms. Consumers (e.g. humans and other animals) cannot make their own food; they get their food by eating other organisms. A food chain diagram shows the feeding relationships between populations of organisms.

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