A food chain shows how each living thing gets its food.
Animals are called consumers.
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consumers
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此处是练习，把一些动物 和植物进行分类，分三类 ，食草，食肉和杂食 要求能够拖拽。
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A fish eats the frog.
The fish grows bigger.
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A small bear catches the fish.
The bear eats the fish.
The bear grows bigger.
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此处用箭头图片和文字表示他们之间的关系、
a food chain.
Most food chains begin with plants.
The plants make food, which animals
eat. Let’s look at a food chain.
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Plants are called producers because they make their own food.
frog
grasshopper
It looks like this
plants
fish bear
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以问题的形式引出food web Do you only eat one type of food?
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