改错the food chain is the order in that animals a
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the food chain is the order in that (that- which)animals and plants eat every (every- each)other in order to survive.Every living creature need (need- needs)to eat other creatures below it.Every ecosystem had (had- has)a different food chain.depending on which animals and plants live there.The balance of plants or (or- and)animals within a food chain is ofen determined by the (the去掉)nature.At the bottom of the food chain are plants.They (加上are)called producers because they produce their own food used (used- using)the sunlight's energy.Animals are the consumer(consumer- consumers) of the food chain.They eat plants or other animals.Some animals only eat plants,therefor(therefore- however),some eat other animls.
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