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Grade 7 Science · Problem type

Take one out of the food web

Use this for “What happens to the fox population if the rabbits disappear?”

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hawkfrogsnakerabbitgrasshoppermousesungrass
Every arrow is energy passing from the eaten to the eater.

Assumptions

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Each arrow means “is eaten by”.
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Take one member away and follow the arrows: what loses food shrinks, what loses a predator grows.
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Real webs have many paths, so effects are smaller than in a single chain.
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