All of these components are reservoirs of carbon. The cycle is usually discussed as four main reservoirs of carbon interconnected by pathways of exchange. The reservoirs are the atmosphere, terrestrial biosphere (usually includes freshwater systems), oceans, and sediments (includes fossil fuels).
Answer:
Dna or genes
I know its somthing else but i cant get my finger on it
Convergent evolution suggests different organisms evolved similarly due to similar environments.
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