Describe three drivers of mutualism breakdown. For these drivers of mutualism breakdown, in what ways are the intersection of ecology with evolution important for determining outcomes?
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- If diversity is governed by the Intermediate Disturbance Hypothesis (IDH), how do we expect D, Diversity, to change as disturbance frequency increases? Why?Biologically, what conditions are necessary for stable coexistence of competitors? Describe the major ways that species can adapt to enhance the probability of stable coexistence.What is mutualism? Look up some examples of relationships that have been identified as mutualisms, and examine them critically. Are they in fact mutualistic? Defend
- An association of individuals of different species living in the same habitat and having functional interactions is what?Which of the following regarding species interactions is INCORRECT? a) The net effects of a mutualism on each participant is a fixed characteristic of the interaction, and is rarely influenced by external factors. b) Reciprocal parasitism is an accurate way of describing many mutualistic interactions. c) The Lotka-Volterra competition model accounts for the effects of both interspecific and intraspecific competition.Define predation. How does the predator-prey relationship differ from the parasite-host relationship? Why is the evolutionary race be-tween predator and prey one that the predator cannot afford to win?
- 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.Interactions between organisms in nature may range from mutualistic to antagonistic. Give one example of mutualistic versus antagonistic interaction and discuss some ecological and evolutionary consequences of these interactionsDiscuss competition between species, the competitive exclusion principle, and the phenomenon of niche or resource partitioning. How do they compare and/or contrast?
- You are studying two new species that have a mutualistic relationship. How would you determine if the mutualism is facultative or obligate? What types of observational data would you collect and what type of experiment would you conduct?Is it possible that some species function together as an integrated, holistic community, whereas other species at the same locality behave more individualistically? If so, what factors might determine which species function in which way?What roles do competitive exclusion and character displacement play in community structure? Successional sequences are altered by consumers of pioneer species. What ecological features of the pioneer species contribute to this phenomenon? Describe the two key elements of community stability.