These organisms are important as primary producers (representing the base of the food chain or pyramid), in contributing to the fertility of soil, in providing substrate for other organisms, and in defining aquatic environments such as kelp beds and algal reefs.
(These organisms; are; important as primary producers (representing the base of the food chain or pyramid), in contributing to the fertility of soil, in providing substrate for other organisms, and in defining aquatic environments such as kelp beds and algal reefs) (primary producers; representing; the base of the food chain or pyramid)
These organisms primary producers
are representing
important as primary producers (representing the base of the food chain or pyramid), in contributing to the fertility of soil, in providing substrate for other organisms, and in defining aquatic environments such as kelp beds and algal reefs
the base of the food chain or pyramid