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Why do K-selected species tends to be successful in a climax community? Why? (answer in minimum of 500 words)
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- Why do r-selected species tends to be successful in a pioneer community? Why? (answer in minimum of 500 words)Why do some species tend to grow exponentially while others tend to follow a logistic growth model?Explain the tree trap solution for the removal of lanternflies. How will the tree trap solution affect the native species, economy, and/or social impacts? How long do you think it will take to return to the original biodiversity of the first ecosystem based on the tree trap solution and why?
- The Jena experiment tested the effects of plant species richness on the ecosystem function of various grassland areas over a 15-year timespan. Ecosystem function was determined by measuring the biomass, soil characteristics, types, and numbers of producers and consumers in the area, and tested to determine the strength of the biodiversity effect on the ecosystem. The graphs show the ecosystem function at the onset of the experiment (dotted line) versus the ecosystem function at the end of the 15-year experiment (solid line) in four different test sites (A, B, C, and D).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.Explain the solution for the removal of water flies. How will this solution affect the native species, economy, and/or social impacts? How long do you think it will take to return to the original biodiversity of the ecosystem based on this solution and why?
- What do you mean by “productivity of an ecosystem? What are the types ofproductivity also mention the factors on which productivity of an ecosystem depends?Why might coevolutionary interactions lead to increased broad-scale diversification rates? Give an example.Is Sustainable Development Goal realistic or idealistic? Why or why not? Give examples that support your point of view.
- Can you think of one organism not mentioned in this chapter as a keystone species that you believe may be a keystone species? For what reasons do you suspect this? How could you experimentally test whether an organism is a keystone species?Are your importance values similar to importance values for the same species in the other community? What may be some reasons why the importance values for each species are different?The temperate regions show a lower value of primary productivity as compared to trophical regions.Give two reasons.