Chapter 8. Chapter 8: Evolution and Natural Selection

Review & Rehearse
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You must read each slide, and complete any questions on the slide, in sequence.

Instructions

Review the visual summaries and answer the essay questions below.

Make sure to enter a brief response that completely answers each question and explains your reasoning. When you click "Submit," you will be provided instant feedback, allowing you to check if your response is correct.

(This activity contains 21 total essay questions. Each new question will be revealed once you complete the preceding question.)

1.

1. Describe one benefit of conducting research on evolution in a short-lived species such as fruit flies.

Fruit flies reach maturity in about two weeks, so a scientist can include many generations during an experiment such as that on starvation resistance. With an organism having a late age of maturity, it would require many years to complete a study such as the starvation resistance experiment.

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