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Retrieved April 22, 2024 … Biology is brought to you with support from the Our mission is to provide a free, world-class education to anyone, anywhere. Khan Academy is a 501(c)(3) nonprofit organization. Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere. A branch of biology is a specialized field or a sub-discipline in a much broader field of biology. Biology, in simple definition, is the science of life. It studies all living creatures — from the microscopic to the macroscopic life forms. A branch of biology will therefore be rooted in this definition diverging into unit components that ... The word biology means, "the science of life", from the Greek bios, life, and logos, wordor knowledge. Therefore, Biology is the science of Living Things. That is why Biology issometimes known as Life Science. 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