Biology - Wikipedia
Biology is the scientific study of life. [1][2][3] It is a natural science with a broad scope but has several unifying themes that tie it together as a single, coherent field. [1][2][3] For instance, all organisms are made up of cells that process hereditary information encoded in genes, which can be transmitted to future generations.
Biology | Definition, History, Concepts, Branches, & Facts | Britannica
2024年10月21日 · What is biology? Why is biology important? Where do biology graduates work? biology, study of living things and their vital processes. The field deals with all the physicochemical aspects of life.
Biology - Khan Academy
For our most up-to-date, mastery-enabled courses, check out High School Biology and AP Biology! Unit 1: Intro to biology. Welcome to biology!: Intro to biology The science of biology: Intro to biology Water and life: Intro to biology. Unit 2: Water, acids, and bases.
Biology and its branches | 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 -What is Biology, Branches of Biology, History, Concepts …
2022年9月19日 · What is Biology? “Biology is defined as the study of living organisms, their origins, anatomy, morphology, physiology, behaviour, and distribution.” Life is teeming in every corner of the globe – from the frozen Arctics to the searing Sahara.
Biology - Scientific American
2024年10月24日 · Biology coverage from Scientific American, featuring news and articles about advances in the field.
Biology - Evolution, Genetics, Classification | Britannica
2024年10月21日 · Although it is not known when the study of biology originated, early humans must have had some knowledge of the animals and plants around them. Human survival depended upon the accurate recognition of nonpoisonous food plants and upon an understanding of the habits of dangerous predators.
Biology News -- ScienceDaily
5 天之前 · Biology news and videos from research institutes around the world. Updated daily.
Khan Academy
Course: UP Class 11th Biology > Unit 8. Lesson 3: Eukaryotic cells. Golgi Apparatus. Endoplasmic Reticulum. Plasma membrane and cytoplasm. Plant cell walls. Cell membrane and cell wall. Lysosomes and vacuoles. Mitochondria and chloroplasts.
Crash Course Biology - BioInteractive
Biology is the study of life—a four-letter word that connects you to 4 billion years’ worth of family tree. The word “life” can be tricky to define, but a shared set of characteristics helps biologists identify living things.