Answer:
Bark
Explanation:
The scales on the fish serves as protection for the fish. And the tree bark serves as protection for the tree.
Answer:
Yes, All of the cells divide at approximately the same rate, although they may divide at different times
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The term "lipid" does not specify a particular chemical structure. Whereas one can write a general formula for an amino acid, nucleic acid, or protein, lipids are much more chemically diverse. Compounds are categorized as lipids based on their greater solubility in organic solvents than in water.