Answer: Sex evolved as an extremely efficient mechanism for producing variation, and this had the major advantage of enabling organisms to adapt to changing environments. Sex did, however, come with a cost. In reproducing asexually, no time nor energy needs to be expended in choosing a mate.
Explanation: no kizzac lemme get brainliest please?
Answer:
the paired bases( nitrogenous bases )
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the picture is not loading when it dose mabey I can answer I have been waiting 30 mins for the pic to load
