Essay
In a study on golden-mantled ground squirrels from North America, young raised in an environment with constant darkness and temperature entered into hibernation the same time each year. In a similar study on stonechats from Kenya, offspring raised in an environment with constant temperature and photoperiod maintained an annual reproductive cycle, but this cycle shifted out of phase over time. What information about the two species' environments most likely explains this difference in experimental results between the squirrels and stonechats?
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Kenya is an arid, unpredictable environm...View Answer
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Q1: If the per gene is key to
Q2: John Wingfield and his coauthors made the
Q3: What is a photoperiod?<br>A) The duration of
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