Critical Thinking Activities - Chapter 20


Question 1. Life cannot arise again today as it first did, proclaim evolutionary scientists. Why?

Question 2. There is a tendency to conceptualize the evolutionary record as: "all 'lower' organisms evolved early and all 'higher' organisms evolved recently." When did the flowering plants evolve (and along with them the pollinating bees) compared to the Age of Fish? Reword the above quotation correctly.


Answers are available to instructors in the Instructor's Manual.

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