As a science, biology did not develop until the last few centuries BC. Although hippocrates, known as the father of medicine, influence the development of medicine apart from the role in religion, it was Aristotle who established observation and analysis as the basic tools of biology. From the 3rd century BC to the 2d century AD, studies primarily focused on agriculture and medicine. The Arabs dominated the study of biology during the middle ages and applied their knowledge of the Greeks discoveries to medicine.
Complete Article Histology of Biology
