Decreased vigor of the immune response seems to be . Group of answer choices caused by the separation of normally bonded protein fibers caused by the cumulative effects of random events genetically programmed but intensified by other aging processes affected by elevated free-radical activity and increased telomerase

A genetically programmed, but intensified by other aging processes.

Explanation:

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only about ten percent of the energy at one trophic level is passed on to organisms at the next trophic level. the remainder of the energy is used in life processes or lost as heat.