strayer sci115 week 9 discussions

| December 1, 2017

week 9″Evolution in Animals and Population of Humans” Please respond to the following:Note: Online students, please respond to one (1) of the following four (4) bulleted items.Humans belong to the genus Homo and chimpanzees to the genus Pan, yet studies of primate genes show that chimpanzees and humans are more closely related to one another than each is to any other animals. In light of this result, some researchers suggest that chimpanzees should be renamed as members of the genus Homo. Discuss at least three (3) practical, scientific, and / or ethical issues that might be raised by such a change in naming.Consider the animals in this week’s readings that are radially symmetrical (cnidarians, many adult echinoderms). Choose one (1) animal that is radially symmetrical and discuss how its lifestyle is different from that of bilaterally symmetrical animals. Illustrate how its body plan complements its lifestyle.The age structure diagrams for two (2) hypothetical human populations are shown on Page 331 of the textbook. Describe the growth rate of each population, and discuss at least two (2) current and future social and economic problems that each is likely to face.Species that are more prone to certain risk factors are more likely than others to become extinct. For example, species with a unique lineage, such as the giant panda, are likely to be at severe risk for extinction. Some argue that high-risk species are less successful products of evolution and should not receive extraordinary protection. Consequently, all species at risk for extinction should be equally protected. Determine whether or not you believe our limited resources for species protection should be focused on species that are at the highest risk for extinction, and explain why.

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