We should care about loss in biodiversity in other species because of

i believe it is "they are not used up by reactions" as the answer to your question, text me back if this is correct because i just learned this.

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.