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Biology is a natural science that studies life at multiple levels of organization, from molecules and cells to organisms and populations. It has several unifying themes, such as heredity, evolution, energy, and regulation, and covers diverse topics such as molecular biology, anatomy, physiology, and ecology.
Portal:Biology is a gateway to various aspects of biology, the scientific study of life. It includes articles on history, overview, chemical basis, cells, genetics, evolution, diversity, plant and animal form and function, ecology, and more.
Learn how biology evolved from ancient to modern times, from ancient Egypt and Mesopotamia to the 20th century. Explore the origins and developments of biological sciences, such as anatomy, physiology, classification, evolution, genetics, and molecular biology.
Learn about the basic unit of life, the cell, and its two main types: prokaryotic and eukaryotic. Compare their features, such as size, nucleus, organelles, and DNA, and see examples of each.
Systematic biology (hereafter called simply systematics) is the field that (a) provides scientific names for organisms, (b) describes them, (c) preserves collections of them, (d) provides classifications for the organisms, keys for their identification, and data on their distributions, (e) investigates their evolutionary histories, and (f ...
Cell biology, also known as cytology, is the study of the structure, function, and behavior of cells. Learn about the history, techniques, and types of cells, as well as their components and processes.
Human biology is an interdisciplinary area of study that examines humans through the influences and interplay of many diverse fields such as genetics, evolution, physiology, anatomy, epidemiology, anthropology, ecology, nutrition, population genetics, and sociocultural influences. Learn about the typical human attributes, scientific investigation, nutrition, other organisms, and social behaviour.
A list of definitions of fundamental terms and concepts used in biology, the study of life and of living organisms. It is intended as introductory material for novices; for more specific and technical definitions, see other glossaries in related fields and organisms.