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Practice Test Questions
Passage 1
Researchers studied how diet and the ability to smell food can affect the life span of normal fruit flies (Strain N) and fruit flies unable to detect many odors (Strain X).
Passage II In the fall, monarch butterflies in eastern North America migrate to Mexico, where they overwinter in high-altitude forests of oyamel fir. The butterflies store body lipids to use as a source of energy at a later time. Consider the following 3 hypotheses pertaining to when the butterflies store lipids and when the energy from the stored lipids is used, with respect to migration and overwintering.
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