EVOLUTION
THE ORIGIN OF LIFE
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Question
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Desert plants and animals have specialized characteristics that help them survive in the harsh environment. An example is the Saguaro cactus with sweet-nectar flowers to attract white-winged doves, bats, and other animals. These animals feed on the nectar and are necessary for cross-pollination. Cross-pollination occurs when the pollen of a flower is carried to a flower on another plant. Which advantage is the most likely of cross-pollination to Saguaro cacti?
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disease resistance
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variation within the species
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larger cacti offspring in each generation
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decrease genetic variation
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Explanation:
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