If consumers were removed from the food chain, which organism would increase?

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In a food chain, each organism occupies a certain level and has its own role. There are producers and then there are consumers. If the consumers were removed from the food chain, the producers would increase in numbers. For example, let's say in a forest there are deer who feed...

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In a food chain, each organism occupies a certain level and has its own role. There are producers and then there are consumers. If the consumers were removed from the food chain, the producers would increase in numbers. For example, let's say in a forest there are deer who feed on grass. In this case, deer are a consumer, while grass is a producer. If by some disease or calamity or man-made action, all the deer were to be removed from the forest, the grass would have no predator and hence would grow unchecked. Thus, the population of producers would grow, if consumers were removed from a food chain.

Note that in an ecosystem, the food chains are not isolated and are connected to each other, thereby forming a food web. Thus if we remove the deer population, other herbivores would still be there and they would continue to feed on grass. Hence, the effect of such incidents is much less drastic in case of a food web.

Hope this helps. 

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