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BBC
1 年
Food Chains
so there are usually fewer organisms at each level in this food chain. A lot of clover is needed to support the snail population. Each thrush eats lots of snails, and each hawk eats lots of ...
BBC
4 年
What is a food chain?
What is a food chain? All living things including humans ... Play Bitesize games Level up now! Take on the latest primary games on Bitesize.
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