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Describe a hypothetical three community with high species richness but low species evenness
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- Compare and contrast species scale vs. system scale goals for conserving both mutualist biodiversity and mutualist ecosystem function. Give a real world example in which one of these approaches is used for mutualism conservation and explain its strengths and weaknesses with respect to conserving mutualism.Which community would be expected to have the highest species richness? Group of answer choices A community that inhabits a small geographic area near the poles. A community that inhabits a small geographic area near the equator. A community that inhabits a large geographic area area near the poles. A community that inhabits a large geographic area near the equator.Using the meta-community concept, is it still possible to conserve species (communities) that are greatly affected by habitat fragmentation? Suggest one possible way to effectively conserve declining diversity.
- Why do ecologists consider both species richness and species evenness when they quantify species diversity?Ecology and Biology: Shannon Diversity Index: Definition & Example The Shannon Diversity Index (sometimes called the Shannon-Wiener Index) is a way to measure the diversity of species in a community. Denoted as H, this index is calculated as: H = -Σpi * ln(pi) where: Σ: A Greek symbol that means “sum” ln: Natural log pi: The proportion of the entire community made up of species i The higher the value of H, the higher the diversity of species in a particular community. The lower the value of H, the lower the diversity. A value of H = 0 indicates a community that only has one species. The Shannon Equitability Index is a way to measure the evenness of species in a community. The term “evenness” simply refers to how similar the abundances of different species are in the community. Denoted as EH, this index is calculated as: EH = H / ln(S) where: H: The Shannon Diversity Index S: The total number of unique species What is the Shannon diversity index value for this community? What…Which principle of community ecology is illustrated by the following example: Two closely related species of small fish occupy the upper two feet of water when they occur in separate ponds, but if they are in the same pond, species a is more often found in the uppermost foot, and species b in the foot below.
- The tendency for two similar species to differ from each other more markedly in areas where they occur together is known as (a) Mllerian mimicry (b) Batesian mimicry (c) resource partitioning (d) competitive exclusion (e) character displacementDescribe a hypothetical tree community where on tree species has high relative dominance and also a low relative densityThe Shannon Diversity index calculates a value based on species evenness importance richness ecology
- Which of the following attributes of a community would tend to lead to higher species richness? High specialization of species A broad resource spectrum High population size in each species Both a and b Both b and cWhat two components contribute to species diversity?Explain how two communities with the same numberof species can differ in species diversity.List five factors that can determine whether an equilibrium population is in danger of extinction.