Answer: [B]: " a muscular foot ".
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"Every mollusk has a head, body, and <u> muscular foot </u> . "
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The diaphragm is the large flat muscle. hope that helps :)
Keeping constant the number of chromosomes of the species and perform a summary of recombination, through crossing-over
( Swapping – increases the <span>genetic variability )</span>
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I believe this is the answer you are looking for:
<span>C. The size and shape of their beaks</span>
