DIRECTIONS: As you watch Topic 3 and read the related text in Death from a Distance, try to discover the answer to the key concept question below. Topic 3 Key Concept Question How Natural Selection Works Our ability to understand the origin and logic of the anatomy and behavior of all organisms (ultimately including humans) depends ABSOLUTELY on our ability to comprehend how evolution by natural selection works. Which of the following statements most accurately and completely describes the essential properties of evolution by natural selection? a. Randomly arising changes in design information compete for limited
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