Lenski and Travisano Compared What Happened to the Fitness of Cells

question 43

Multiple Choice

Lenski and Travisano compared what happened to the fitness of cells in 12 replicate lines of E. coli. According to the graph shown, which of the following statements is true?

• A) Fitness increased in some of the lines and decreased in other lines.
• B) Fitness increased initially, but after about 3,000 generations all of the lines reached their maximum fitness and quit evolving.
• C) Fitness increased in every line, but to a different degree in each line.
• D) Evolution by natural selection cannot be predicted at any level.

Recognize the concept of equilibrium GDP and its relation to full employment according to Keynes and the classicals.

Identify Say's Law and its significance in classical economics.

Explain the Keynesian critique of classical economics, specifically regarding savings, investment, and government intervention.

Describe the aggregate supply and demand analyses in both Keynesian and classical perspectives.

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