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to change over a period of time in response to new environmental conditions.
the outer region of the kidney, grainy in appearance, in which the Bowman's capsules of the...
the internal supporting framework made of cartilage and/or bone. This type of skeleton occurs in...
two or more forms of a particular chemical element, that have the same number of protons in the...
tough connective tissue found in conjunction with muscle, cartilage and bone.