Question

Bacteria add carbon to the carbon cycle by(1 point)
Responses

exchanging carbon dioxide and oxygen gases.
exchanging carbon dioxide and oxygen gases.
performing photosynthesis.
performing photosynthesis.
decomposing dead organisms.
decomposing dead organisms.
being consumed by larger organisms, such as plankton.

Answer 1

Bacteria add carbon to the carbon cycle by **decomposing dead organisms**. Decomposition releases carbon stored in organic matter back into the atmosphere as carbon dioxide, which can then be used by plants in photosynthesis, thus continuing the carbon cycle.