antibiotic - a medicine used to save lives because it destroys harmful bacteria and cures infection, autobiography - a piece of writing written by a person about themselves, biography - a piece of writing about a person's life written by someone else, biologist - one who studies living things, biology - the study of living things, biopsy - the removal of living tissue from the body so that it can be studied, biosphere - the zone of the planet Earth where there is life, macrobiotic diet - a diet thought to help people live longer because it focuses on natural foods, neurobiology - the study of the nervous system of living things, symbiosis - how two different living organisms live together and depend upon each other,

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