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Explain the changes in the skeletons during the transition in habitat according to the theory of natural selection.
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All but one describes an effect of aging on the digestive system. a) decreased acid secretion b) decreased elasticity of stomach c) capacity to resist damage decreases d) food remains in stomach for less time
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Hemoglobin is a proton that carries oxygen around the body what is hemoglobin made from
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The main ingredient of magma is a pahoehoe. b silca c dissolved gases d obsidian
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Explain the changes in the skeletons during the transition in habitat according to the theory of nat...