Biology, Eighth Edition (Raven)

Chapter 59: Conservation Biology

Learning Outcomes

Chapter 59
  • Understand the importance of extinction as a normal biological event; however, be aware that humans have accelerated it in many cases.
  • Know what endemic species are, why they are important, and how they are directly related to human population growth.
  • Compare the direct and indirect economic values of biodiversity.
  • Know why biodiversity on the planet has ethical and aesthetic values. Be able to cite some examples to support these values.
  • Understand how conservation biology, a relatively new field in biology, is aimed at preservation of species, populations, communities, and ecosystems worldwide.
  • Understand why most human caused extinctions have occurred on islands rather than on mainland continents.
  • Know how various factors, individually or collectively, that have lead to the human caused extinction crises.
  • Know four ways habitat losses occur and one example of each.
  • Know the five factors that lead to species extinction and the case studies that best represent each factor.
  • Explain the three types of habitat restoration efforts and give one example to support each effort.
  • Understand why it is so important to sustain intact ecosystems rather than an individual species.
  • Explain how different sizes and shapes of habitats can affect biodiversity.
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