SCI 230 Week 6 DQ 1

Question 1

SCI 230 Week 6 DQ 1

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Review the “Natural Selection” section in Ch. 13 of Campbell Essential Biology With Physiology. Organisms have evolved physiologically and anatomically to adapt to their environment. Select one species from the text or another source. How have their traits evolved by natural selection to maximize their ability to maintain homeostasis and equilibrium?

Answer 1

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Question 2

SCI 230 Week 6 DQ 2

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What are two examples of evidence that support the theory of evolution by natural selection? One example should relate to the anatomy or physiology of animals. Locate a website that discusses the evolution of a new species. Do you agree this is a new species, or is it diversity within the same species? Explain your answer.

Answer 2

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Question 3

SCI 230 Week 7 Humans and Natural Selection Paper

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Resource: Readings from text and research

Post a 200- to 300-word response to the following:

· Humans shape their environment in ways that other organisms cannot. Are humans subject to the same pressures of natural selection as other organisms? Why or why not? (Make sure to sufficiently explain and back up your answer.)

· Provide an example of convergent and divergent evolution, adaptive radiation, and co-evolution.

Choose one of the examples you provided and discuss the implications this example may have for future humans.

Answer 3

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Question 4

SCI 230 Week 7 Individual Evolution Assignment

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Resource: “The Origin of Species” section in Ch. 14 of Campbell Essential Biology With Physiology

Choose a species to research.

Create a 7- to 10-slide Microsoft® PowerPoint® presentation about your chosen species.

Include the following in your presentation:

· How may your species have evolved?

· Describe the mechanism of speciation, in general, and apply the mechanism to the species you researched.

· Include evidence that supports your speciation hypothesis.

What role does natural selection play with this species? What role does it play with evolution in general? Does that apply to this species?

Answer 4

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