biology

n. study of life

For the biology of the human body, see human anatomy and human physiology. For the song by Girls Aloud see Biology (song) Biology studies the variety of life (clockwise from top-left) E. coli, tree fern, gazelle, Goliath beetleBiology (from Greek: βίος, bio, "life"; and λόγος, logos, "knowledge"), also referred to as the biological sciences, is the scientific study of life. Biology examines the structure, function, growth, origin, evolution, and distribution of living things. It classifies and describes organisms, their functions, how species come into existence, and the interactions they have with each other and with the natural environment. Four unifying principles form the foundation of modern biology:  cell theory, evolution, genetics and homeostasis.
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Biology /bi·ol·o·gy/ scientific study of living organisms.biolog´icbiolog´ical molecular biology study of molecular structures and events [more]Biology - Community and Resources

Noun
1. the science that studies living organisms
(synonym) biological science
(hypernym) life science, bioscience
(hyponym) biogeography
(class) abaxial, dorsal
2. characteristic life processes and phenomena of living organisms; "the biology of viruses"
(hypernym) life
3. all the plant and animal life of a particular region
(synonym) biota
(hypernym) collection, aggregation, accumulation, assemblage
(member-meronym) fauna

(n.)
The science of life; that branch of knowledge which treats of living matter as distinct from matter which is not living; the study of living tissue. It has to do with the origin, structure, development, function, and distribution of animals and plants.