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(also called autotrophic organisms) organisms that produce their own organic food, mainly carbohydrates, from inorganic nutrients.
the liquid produced by the kidneys consisting mainly of water and nitrogenous wastes such as...
extremely small infectious particles that can only reproduce inside a host cell.
a special kind of biological identification key which consists of sets of organised pairs of...
small ball of chewed food mixed with saliva that is formed in the mouth, which is swallowed.
the most common and most movable type of joint in the body of a mammal e.g. the elbow.