Scientists studied reproduction in the New Zealand mud snail. They wanted to determine whether reproducing sexually or asexually was more beneficial for the snails. Which of these hypotheses would least likely aid the scientists as they worked to answer the question?
Answer
A
Sexual reproduction is advantageous over asexual reproduction because it reduces the rate of mutation accumulation.
B
Asexual reproduction is advantageous over sexual reproduction because it allows the snails to produce more offspring.
C
Sexual reproduction is advantageous over asexual reproduction because it allows for snails to have increased genetic variation.
D
Asexual reproduction is advantageous over sexual reproduction because it decreases the snails’ need for social interaction.
Explanation
A useful hypothesis should connect the type of reproduction to a potential benefit for the snails. Decreased need for social interaction is not a reproductive advantage that would help compare the snails’ success or fitness; it is mainly a consequence of reproducing without a mate. Therefore, the hypothesis that asexual reproduction reduces the need for social interaction is least likely to help answer the question.
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