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one of the many small platelike dermal or epidermal structures that characteristically form the external covering of fishes, reptiles, and certain mammals.
it is a flat bone.
To get better traction on soft surfaces.
epithelial
capillaries
For more attachments of muscles that perform different actions.
because they need energy i think its what i learned
both pili and capsules
broad leaf surfaces
protect internal structures, and function as sensory surfaces
Frogs uses respiratory surfaces which totals to three to exchange gases on its surroundings. The three respiratory surfaces are the skin, its lungs, and the lining of their mouth.
Seals have flippers while fish have fins. They are derived from the same structures but used by different classifications.