The dominant species in a community is the species that contributes the most biomass to the community. Thus, option D is the correct answer.
Species that are disproportionately numerous compared to other species in a community and have an impact on the environment, community diversity, or ecosystem function are referred to as dominant species. Because of their high abundance, they contribute most to the biomass of the community.
Abundant plant species should contribute proportionally to production and resource use due to their high biomass and widespread presence in communities. As a result, they should have a significant impact on energy flow, biogeochemical cycling, and degradation processes.
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