When a(n) organism enters an established ecosystem, it competes with some of the native organisms for food. As a result, the entire ecosystem can be thrown out of balance.

An invading.

Explanation:

When a(n) invading organism enters an established ecosystem, it competes with some of the native organisms for food. as a result, the entire ecosystem can be thrown out of balance

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where is the scientific experiment?

the cells uses some of the atoms of the glucose molecules to atp molecules. the atoms of the glucose molecules will then be converted into energy which will be eventually stored in atp. the energy produced which are stored in atp are coming from the glucose’s chemical bonds.