A dead organism takes matter out of the ecosystem cycle and that matter can never be used again. *
O True
False

Decomposers break down dead organisms into nutrients and gases so that they can be used by other organisms. Nutrients can enter or exit an ecosystem at any point and can cycle around the planet.

examples of nucleic acids are deoxyribonucleic acid (dna) and ribonucleic acid (rna).

geographic isolation