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Review Questions

Review Questions.

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Review Questions

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  1. Review Questions

  2. 1. A biologist discovers two populations of wolf spiders whose members appear identical. Members of one population are found in the leaf litter deep within the woods. Members of the other population are found in the grass at the edge of the woods. The biologist decides to designate the members of the two populations as two separate species. Which species concept is this biologist most closely utilizing? • Ecological • Biological • Morphological • Pluralistic • genealogical

  3. I only II only III only I and II I and III 2. The formation of a land bridge between North and South America about three million years ago should have resulted in which of the following? I. allopatry of marine populations that were previously sympatric II. sympatry of marine populations that were previously allopatric III. sympatry of terrestrial populations that were previously allopatric

  4. For each of the following situations, choose the best answer from the following types of isolating mechanisms: A. Geographical isolation B. Behavioral isolation C. Mechanical isolation D. Temporal isolation E. Reproductive isolation Two species of rats live on different islands. Refers to all species that adhere to the biological definition. Two species of fruit fly have different courtship rituals. The pollen from a Dogwood tree can not penetrate the pine cone of a Douglas Fir.

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