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foodchain - Coggle Diagram
foodchain
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producers and consumers
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.
A consumer is a living thing that eats other plants and animals.
food chain basics
First, a producer – a plant that makes its own food from sunlight.
Next, a consumer that eats the producer.
Then, another consumer that eats the first consumer…
what is a food chain
A food chain is a list of organisms in a habitat that shows their feeding relationship, i.e what eats what. The organisms are joined by arrows which show the transfer of energy in food between them. The stages in food chains are called trophic levels.
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pyramids of numbers
The population or number of each organism in a food chain can be shown in a special type of bar chart called a pyramid of numbers. The bars are all the same height and are drawn to scale – the more organisms it represents, the wider the bar. The producer in the food chain always goes at the bottom of the pyramid of numbers.