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Biology | Definition, History, Concepts, Branches, & Facts | Britannica
2024年11月24日 · Biology encompasses diverse fields, including botany, conservation, ecology, evolution, genetics, marine biology, medicine, microbiology, molecular biology, physiology, and zoology. Why is biology important?
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, microbiology, molecular biology, and much more.
Biology - Evolution, Genetics, Classification | Britannica
Much of the earliest recorded history of biology is derived from Assyrian and Babylonian bas-reliefs showing cultivated plants and from carvings depicting veterinary medicine.
Biology and its branches | Britannica - Encyclopedia Britannica
An extremely broad subject, biology is divided into branches. The current approach is based on the levels of biological organization involved (e.g., molecules, cells, individuals, populations) and on the specific topic under investigation (e.g., structure and function, growth and development).
biology - Students | Britannica Kids | Homework Help
The scientific study of living things is called biology. Biologists strive to understand the natural world and its living inhabitants—plants, animals, fungi, protozoa, algae,… Articles
Biology - Evolution, Genetics, Species | Britannica
4 天之前 · Qualitative and quantitative analyses in biology make use of a variety of techniques and approaches to identify and estimate levels of nucleic acids, proteins, carbohydrates, and other chemical constituents of cells and tissues.
biology - Kids | Britannica Kids | Homework Help
Biology is the study of living things. A biologist is a scientist who studies biology. Biologists try to understand the natural world and the things that live in it. These things include plants, animals, fungi, protozoa, algae, bacteria, and viruses. The study of biology covers many areas. It is usually divided into separate branches, or fields.
Biology - Aristotle, Organisms, Cells | Britannica
Biology - Aristotle, Organisms, Cells: Around the middle of the 4th century bce, ancient Greek science reached a climax with Aristotle, who was interested in all branches of knowledge, including biology.
Biophysics | Molecular Biology, Physics & Chemistry | Britannica
Biology, which may be viewed as a general subject pervading biophysical study, is evolving from a purely descriptive science into a discipline increasingly devoted to understanding the nature of the prime movers of biological events.
Cell | Definition, Types, Functions, Diagram, Division, Theory,
2025年1月6日 · A cell, in biology, is the basic membrane-bound unit that contains the fundamental molecules of life and of which all living things are composed. A single cell may be a complete organism in itself, such as a bacterium, or it may acquire a specialized function, becoming a building block of a multicellular organism.