If natural selection changes then the phenotypes within a population changes over time because natural selection acts on phenotypes instead of genotypes .
there are 4 chromosomes in the sex cells of each fly
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❖ The correct answer is classification.
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Explanation:
Answer:
Air is forced to rise over mountains, air cools and condensation occurs, rain falls over the mountains, dry air sinks down the other side of the mountain. Some deserts form in areas that lie at great distances from the sea. The air here is much drier than on the coast.
Explanation: