How do decomposers in an ecosystem obtain energy?

Decomposers get nutrients and energy by breakimg down dead organisms and animal waste.Throughthis process,decomposers release nutrients,such as carbon and nitrogen ,back into the environment

regulation of gene expression. gene expression can be regulated by various cellular processes with the aim to control the amount and nature of the expressed genes. these regulatory proteins bind to dna and send signals that indirectly control the rate of gene expression

explanation:

thinking it would be physical characteristics