Answer :
The total number of species in each area and the relative abundance of each of species in that system is Species diversity.
Communities are intricate organisms that may be identified by their dynamics (the kinds and numbers of species present) and structure (how communities change over time). Community ecologists can better manage ecosystems by comprehending the dynamics and structure of communities.
The foundation or "bedrock" of a community, foundation species are those that have the largest impact on the community's overall structure. They are typically the principal producers—organisms that supply the majority of the community's energy. The foundation species of the kelp forests off the coast of California is kelp, or brown algae.
To create and sustain habitats that are advantageous to the other organisms that use them, foundation species may physically alter the surrounding environment.
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