Answer:
Fat
Explanation:
Animals rely on fat for energy during hibernation.
Answer:
<em>Goose Flesh</em><em> also known as </em><em>Goose Bumps</em><em> also known as</em><em> Cutis Anserina (scientific term).</em><em> It is a temporary change of skin. The skin becomes rougher due to fear, cold, excitement, etc. Small bumps appear on the surface of the skin because the arrector pili muscles contract. </em>
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The answer is signal transduction. It is also known as cell signaling. It is the transmission of molecular signals beginning from a cell's exterior to its interior. Signals got by cells must be transferred efficiently into the cell to make certain a suitable response. This step is started by the cell-surface receptors.
