Within any ecosystem, there is a fixed amount of energy available for organisms to use. since organisms usually produce more offspring than a given ecosystem can support, this causes

COMPETITION

Explanation:

More animals are going to fight for the food since there is decrease

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.

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