Of the following islands, where would you expect the equilibrium number of species to be the highest? Small, near Small, far Large, near Large, far
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- You are comparing species diversity between four different habitats: which of the following habitats is the most diverse? Habitat A has 15 species total, with approximately equal representation across all species Habitat B has 15 species total, and is dominated by two of its fifteen species Habitat C has 3 species total, with approximately equal representation across all species Habitat D has 3 species total, and is dominated by one of its three species Habitats A and B are equally diverseYou're analyzing biodiversity on three islands: Island A, located near the equator with varied elevations; Island B, situated in temperate latitudes and relatively flat; Island C, another equatorial island but with a wide variety of habitats. To test your answers to the first question, you decide to survey the lizard species on the islands. Below is a graphical representation of a survey plot from each island, where icons represents different species and the abundance of each species is tallied in the table below. (note: these surveys may not represent the entire island patterns, so don’t use these to try to answer the first question!) A. What is the alpha diversity on each island? Island A Island B Island C B. What is the beta diversity between each island pair (A-B, A-C, B-C)? Beta diversity A-B Beta diversity A-C Beta diversity B-C C. Calculate the Shannon-Weiner index and Simpson’s index of diversity for each island. Island A Island B Island C D. What do these diversity…Which of the following are important variables that determine the equilibrium number of species in an island (Note: You may choose one or more than one answer. Think wisely.) Distance from mainland Temperature in the island Size of island Distance from equator Humidity
- Draw a species accumulation curve for the beetles in Area C3, based on the data shown in Table 2. Ensure that you calculate a standard deviation around each average number of species per sample; plot this on this figure. Make sure you label the axes and that you provide a legend. You will need to reassemble the samples in all possible combinations in order to derive the species area curve.(porvided the table)Interpret the following chord diagram that shows the presence of species by month. Which of the following statements best describes the data? Species L Species W 2- Species E The number of different species is greatest in January. W The same two species are present in May, July and September. Species L is the only species found in November. Species W and L are always present in the same months. January March November September May JulyData shown in this figure describes the species richness of mammals and birds among a variety of Sky islands. Which of the following best fits the correlations represented in the graphs? 1) number of individuals increases with area and decreases with isolation 2) species richness increases with area and decreases with isolation 3) species diversity varies depending on area and isolation? Follow up question which model of species distribution and abundance does this data support? 1) Species area relationship 2) species accumulation curve 3) island-biogeography 4) rapoport’s rule
- Two species of bird live in the same tree. Seeds only grow at the tops of the tree and insects only live at the bottom of the tree. Bird species A lives in the tops of the trees and eats both insects and seeds. Bird species B lives in the bottom of the tree and only eats insects. Which of the following describes why these two species live together in the same community? Group of answer choices Species A and Species B have the same fundamental niche. Species A and Species B have the same realized niche. Species A and Species B have a different fundamental niche. Species A and Species B have a different realized niche.Which of the following statement is incorrect about the two broad classes of explanation of interspecific distribution abundance relationships? (a) The first class postulates the existence of a positive feedback between local abundance and the regional distribution of a species. (b) Species that occur in large number across many localities will be more likely to maintain their wide distribution and high abundance. (c) Consequence of positive feedback is that there is no dichotomy. (d) The consequence of positive feedback is that there is dichotomy, species will be either widespread or abundant or they will be restricted and scarce. This division helps in the knowledge and in turn helps to categorize them accordingly as restricted or widespread species.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…
- Please explain why you decided to pick an answer choice. Explain your reasoning/rational/logic for choosing the answer choice. Question: Which of the following hypothetical islands would likely have the greatest species richness? Group of answer choices A) Not enough information given B) a large island far from the mainland C) a large island near to the mainlandWhat do you mean lay species diversity? Name two measures of species diversity?Community 1 contains 100 individuals distributed amongfour species: 5A, 5B, 85C, and 5D. Community 2 contains100 individuals distributed among three species: 30A, 40B,and 30C. Calculate the Shannon diversity (H) for eachcommunity. Which community is more diverse?