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symbiosis where one organism lives inside another.
the neurons that link motor and sensory neurons within the central nervous system.
the process whereby certain substances are removed from a liquid and others retained, due to...
inter-connecting strands of cytoplasm that connect the cytoplasm of adjacent plant cells across...
simple inorganic chemical substances (mineral salts) that are needed in very small amounts for...
a pattern of abnormalities found in babies born to mothers who drank excessive amounts of...