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Biology, 21.08.2019 18:30 JayHtx9529

The extremes of dry and wet weather of the galapagos islands cause the food supply to constantly change.
during dry years, the food is mainly large, hard seeds, and finches with large beaks are found in greater
numbers.
which statement best explains this observation?
(1) dry environments cause mutations in finches.
(2) finches grow larger when they have more water.
(3) small finches become smaller during dry seasons.
(4) large beak size is an adaptation to dry conditions.

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