Question

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

exchanging carbon dioxide and oxygen gases.
exchanging carbon dioxide and oxygen gases.

being consumed by larger organisms, such as plankton.
being consumed by larger organisms, such as plankton.

performing photosynthesis.
performing photosynthesis.

decomposing dead organisms.

Answer 1

Bacteria add carbon to the carbon cycle by **decomposing dead organisms.**