
Biology | Definition, History, Concepts, Branches, & Facts | Britannica
Jan 12, 2026 · Biology is a branch of science that deals with living organisms and their vital processes. Biology encompasses diverse fields, including botany, conservation, ecology, evolution, genetics, …
Biology Portal | Britannica
The field of biology is subdivided into separate branches for convenience of study, though all the subdivisions share basic principles. Biology encompasses fields such as botany, genetics, marine …
Biology - Evolution, Genetics, Classification | Britannica
Jan 12, 2026 · Biology - Evolution, Genetics, Classification: There are moments in the history of all sciences when remarkable progress is made in relatively short periods of time.
Life - Genetics, Evolution, Biology | Britannica
Dec 13, 2025 · Life - Genetics, Evolution, Biology: All organisms on Earth, from the tiniest cell to the loftiest trees, display extraordinary powers.
Life | Definition, Origin, Evolution, Diversity, & Facts | Britannica
Dec 13, 2025 · The several branches of science that reveal the common historical, functional, and chemical basis of the evolution of all life include electron microscopy, genetics, paleobiology …
Biology - Evolution, Natural Selection, Adaptation | Britannica
Jan 12, 2026 · Biology - Evolution, Natural Selection, Adaptation: As knowledge of plant and animal forms accumulated during the 16th, 17th, and 18th centuries, a few biologists began to speculate …
Reproduction | Definition, Examples, Types, Importance, & Facts ...
Dec 16, 2025 · Reproduction, process by which organisms replicate themselves. Reproduction is one of the most important concepts in biology: it means making a copy, a likeness, and thereby providing …
Botany | Definition, History, Branches, & Facts | Britannica
Dec 24, 2025 · Botany, branch of biology that deals with the study of plants, including their structure, properties, and biochemical processes. The principles and findings of botany have provided the base …
Cat | Breeds, Origins, History, Body Types, Senses, Behavior ...
Jan 1, 2026 · An overview of the origins and history of cats, how they are identified, their body types and features, and their senses, behavior, and heredity.
Biology - Origin, Evolution, Life | Britannica
Dec 5, 2025 · Biology - Origin, Evolution, Life: If a species can develop only from a preexisting species, then how did life originate?