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the reproductive organs of angiosperms.
(also called autotrophic organisms) organisms that produce their own organic food, mainly...
(also called the carina) in birds is an extension of the sternum (breastbone) which runs along...
part of cellular respiration: a cyclical series of reactions in which the pyruvic acid formed in...
a chemical messenger produced and released by a cell or a gland in one part of the body of the...