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.
States that in a heterozygote, one trait will conceal the presence of another trait for the same characteristic.
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Skin cells are also called epithelial cells
Keystone predators effect their habitat by keeping the population of animals down.
