Microorganisms are key players in the maintenance of these marine communities, as they channel critical nutrients from the atmosphere and terrestrial environments into the marine ecosystem and release nutrients from dead organisms.
(Microorganisms; are; key players in the maintenance of these marine communities) (they; channel; critical nutrients; into the marine ecosystem and release nutrients from dead organisms)
Microorganisms they
are channel
key players in the maintenance of these marine communities
critical nutrients into the marine ecosystem and release nutrients from dead organisms