The external oblique is a thin sheet of muscle reaching from the ventral side around to the center of the back. It is most apparent on the sides of the abdomen.
Answer: Gradualism (C)
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Bones consist of living cells embedded in a mineralized organic matrix. This matrix consists of organic components, mainly type I collagen – "organic" referring to materials produced as a result of the human body – and inorganic components, primarily hydroxyapatite and other salts of calcium and phosphate.
Natural selection
Bc it is
