What happens to any matter that is not used by consumers in a food chain? a) it remains unconsumed forever. b) it is stored by all consumers for use in the future. c) it is recycled by producers and brought back into the food chain later. d) it is decomposed by decomposers and brought back into the food chain later.

It is D.  

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succession returns a disturbed

ecosystem to a more stable state. this is also classified into two (2) types:

primary succession and secondary succession. the primary succession arises when

a new land is transformed and a bare rock has been exposed providing an environment

that can be occupied for the first time. while, secondary succession occurs

when a previously occupied environment was disturbed that kills much of all its

community

explanation:

d. organisms have cells with different shapes and functions.