Speciation & Phylogeny Sample Questions

Speciation & Phylogeny Sample Questions - zygotic...

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5. Describe one pre-mating reproductive isolating mechanism and one post-mating reproductive isolating mechanism. The latter may be either pre- or post-zygotic. 6. Describe one Speciation Scenario and how Sexual Selection could be contribute to the process of Speciation in that case FILL IN THE BLANK. 1.__________________________________________. Modern analyses of the similarities and differences among organisms frequently follow the methodology of this field that focuses on the inferred "branching patterns" of the groups. 2.__________________________________________. Many species of Angiosperms (flowering plants) appear to have originated by a combination of interspecific hybridization and … 3.__________________________________________. One version of this Speciation Scenario involves a population affected by strong Diversifying Selection, coupled with habitat selection and mating within the preferred habitat. 4._________________________________________. The Mule is an example of this post-
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Unformatted text preview: zygotic reproductive isolating mechanism. 5.____________________________________________________. We discussed several species definitions. Which do you think is best in terms of stressing that speciation is part of the process Darwin called "Descent The following diagram is the evolutionary history of a group of taxa. Each taxon is indicated by a letter. A set of statements follows the diagram. 1. Paraphyletic 3. Monophyletic 5. Synapomorphies 7. Symplesiomorphies 2. Polyphyletic 4. Plesiomorphy 6. Homoplasy 8. Pleiotropic 1._______________________________. The term used to describe a cluster formed by taxa B, C, and D. 2._______________________________. The term used to describe a cluster formed by taxa B, C, D, E, F, G. 3._______________________________. B, C, D would be expected to share some modified form of the character state of A. What is the term for this ancestral condition in A? ^ _ ` a b c `Ü~ê~ÅíÉê pí~íÉ qáãÉ d...
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