Explanation: This statement implies that something may not be as valuable or precious as it appears at first glance. This statement was first used by Shakespeare, along with many other words and phrases. The statement is usually associated with morals and themes in stories.
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Answer:
Eating contributes to the flow of an ecosystem because in a food web/chain, there is always a consumer. Starting from the very bottom of the food web/chain, all organisms eat to pass on the energy to the next cosumer. For example, a grasshopper eats some grass. That grass is made into energy. Then, a possum eats that grasshopper, the energy from the grasshopper converting to the energy of the possum. Then a giant snake comes along and eats the possum. The energy keeps flowing up and up the food chain as animals consume(and be consumed).
I think it is air and water