Natural Selection and Patterns of Evolution Worksheet Essay

Associate Level Material Appendix F Natural Selection and Patterns of Evolution Worksheet Complete the worksheet writing 100- to 200-word short answers for each question. Format your references consistent with APA guidelines. 1. What is the direct evidence in support of the theory of natural selection? Include at least four examples. Paleontology shows us that organisms have changed gradually over time, as reflected in the fossil record. Biogeography shows us how new species only arise near very similar species. Similar species share a common time and place. Developmental biology shows us that an organism builds on ancestral features as it develops from a single cell. Genetics shows us that we can group species by similarity of†¦show more content†¦What implications might this example have for future humans? Convergent evolution: Two different species adapt similarly when they share similar niches. Australia has several examples. Tasmanian tigers are very similar to wolves or dogs. The marsupial lion had many features similar to cats they even had a saber toothed version of a marsupial similar to saber toothed cats. Divergent evolution: When species separate into dissimilar niches, they evolve qu ite differently. The formation of limbs in early amphibians compared to their fish ancestors is an example. Adaptive radiation: When a species spreads in to different niches it forms multiple species. A classic example is the Darwins finch. The common ancestor split into several species as it occupied the various niches. Coevolution is where two species evolved together. Many species of plants produce flowers that only bats can fertilize. The bats evolved to take advantage of the flowers and the flowers rewarded the bats with nectar and flowering at night. Coevolution of humans and cows: The cows allowed us to exploit land that wasnt suitable to crops. They greatly increase our food supply. Perhaps in the future we will use them in many different ways. The way they convert cellulose to sugar in the guts with microbes could lead to the easy conversion of grass into alcohol to power our cars (Cook, H., Bestman, H. D. (2000). 4. How does a new species evolve from a pre-existing species? Include a briefShow MoreRelatedBig Data Analysis Using Soft Computing Techniques3016 Words   |  13 Pagesclustering approach and Differential Evolution algorithm. Index Terms—Big Data, K-means algorithm, DE (Differential Evolution), Data clustering Introduction Day by day amount of data generation is increasing in drastic manner. Where in to describe the data, for zetta byte, popular term used is â€Å"Big data†. The marvelous volume and mixture of real world data surrounded in massive databases clearly overcome old-fashioned manual method of data analysis, such as worksheets and ad-hoc inquiries. 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