What is hybridization, What is hybridization? How does

What is hybridization

Reference no: EM133585746

Assignment: Evolution Made Visible

Reading: Weiner, J. 1995. Evolution Made Visible. Science 267: 30-33.

1. Use the information in your lecture notes or your book to de?ne microevolution and macroevolution. Which of these terms is the topic of this article?

2. Explain the role of predators and female mate choice in evolution in Ender's guppies.

3. Explain how competition drives the evolution of body size and feeding strategy in stickleback ?sh.

4. What is hybridization? How does hybridization in the ?nches on Daphne Major increase their evolutionary potential?

5. Some species can have both sexually and asexually reproducing phenotypes. In theory, why should asexually reproducing phenotypes be able to outcompete sexually reproducing phenotypes? Explain why, in nature, asexually reproducing phenotypes are rarely superior to sexually reproducing phenotypes.

6. In an experiment with E. coli, Michael Travisano used a single population of E. coli to create 12 different populations that differed in many traits. Assume that, at the beginning of the experiment, all the E. coli were identical, and during the experiment the environments for the 12 populations were identical, and that resources were not limiting in any of the populations. What process is responsible for the change in traits that occurred over 2000 generations? Explain how evolution via this process occurs.

Reference no: EM133585746

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