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In most ecological communities, we find a. More rare species than moderately common or very common ones. b. More very common species than moderately common or rare ones. c. No rare species—apparently "rare" species are artifacts of incomplete sampling. d. Roughly equal proportions of rare, moderately common, and very common species. e. More moderately common species than rare or very common ones.
In most ecological communities, we find a. More rare species than moderately common or very common ones. b. More very common species than moderately common or rare ones. c. No rare species—apparently "rare" species are artifacts of incomplete sampling. d. Roughly equal proportions of rare, moderately common, and very common species. e. More moderately common species than rare or very common ones.
Final answer:In most ecological communities, we typically find more rare species than moderately common or very common species. This is usually explained by theSpeciesAbundance Distribution (SAD) model. However, exceptions can occur due to factors like resource availability, competition, and predation.Explanation:In the ecological community, the frequency and distribution of species can vary considerably. In most cases, we find more rare species than moderately common or very common ones (option a). This phenomenon is often explained by the Species AbundanceDistribution(SAD) model, which indicates that most species in a community are typically rare, while a few species are moderately common or very common.However, it's important to note that there can be exceptions to this general pattern, depending on the specific ecological community or the sampling methods implemented in studies of community diversity. There's often a balance between a variety of factors such as resource availability, competition, predation, and species adaptation—all of which can influence species abundance and rarity.Learn more about Species Abundance Distribution here:brainly.com/question/30417516#SPJ11...