ecology assignment 3 pages

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INTRODUCTORY ECOLOGY

Answer the 4 questions in details

  1. a) What are the advantages and disadvantages of asexual reproduction? Under what circumstances would you expect an organism would evolve to use asexual reproduction?

    b) What are the advantages and disadvantages of sexual reproduction? Under what circumstances would you expect an organism would evolve to use sexual reproduction? (6 marks)

  2. Describe three properties of a population that may vary among age classes. (6 marks)

  3. Compare and contrast the exponential and logistic models of population growth. Under what ecological conditions does each occur? (8 marks)

  4. In your words, explain why Bellinger et al. (2003) suggested that some prairie chicken populations were headed for extinction while others appeared to be doing better. (10 marks)
 
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