Draft_exam_questions_Exam3

Draft_exam_questions_Exam3 - Draft Exam Questions (March...

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Draft Exam Questions (March 26) 1. According to the Biological Species Concept, more than one natural population is thought to belong to the same species when: a. The populations are actually or potentially interbreeding and reproductively isolated from other groups b. The populations are actually interbreeding and reproductively isolated form other groups c. The populations are potentially interbreeding and reproductively isolated from other groups d. The populations are actually interbreeding and are reproductively connected to other such groups e. The populations include individuals that are adapted to the same niche 2. Which of the following events does not favor allopatric speciation? a. An isthmus (land mass) rises to separate two massive bodies of water b. Continents drift apart and split the range of one species c. Differences on either side of barrier, over which a species cannot travel, cause the same traits in each population to have different fitness in each environment d. Habitat that is intermediate in environmental conditions in the range of a species is lost e. Hybridization between previously isolated species produces individuals that have increased fitness under certain conditions 3. Which of the following is not a potential prezygotic reproductive barrier? a. divergence in time of breeding b. divergence among populations in mate preference c. hybrid sterility d. gametic imcompatibility e. Divergence in preference for mating location 4. A common cause of sympatric speciation is most likely: a. Polyploidy b. Spatial segregation of mating sites
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This note was uploaded on 04/23/2010 for the course BIO 201 taught by Professor True during the Spring '08 term at SUNY Stony Brook.

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Draft_exam_questions_Exam3 - Draft Exam Questions (March...

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