Answer: [B]: " a muscular foot ".
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"Every mollusk has a head, body, and <u> muscular foot </u> . "
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Hope this helps!
Best wishes!
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Answer:
Fat has more than twice as many calories per gram as carbohydrates and proteins.
Explanation:
Cell differentiation is how generic embryonic cells become specialized cells. This occurs through a process called gene expression. Gene expression is the specific combination of genes that are turned on or off (expressed or repressed), and this is what dictates how a cell functions.
Hey there! Darwin's finches had different beak sizes and shapes because of natural selection. Over time, the more desirable traits become more dominant and distinct. These beaks were best fit for the type of food the bird ate. Smaller-beaked birds usually have a seed diet, and larger-beaked birds usually eat large nuts or small creatures like worms and bugs. Hope this helps!
Robert trivers <span>created three additional theories for evolutionary studies that included parental investment, parent-offspring conflict, and reciprocal altruism.</span>
