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Biology - Wikipedia
WebBiology is the scientific study of life.    It is a natural science with a broad scope but has several unifying themes that tie it together as a single, coherent field.    For instance, all organisms are made up of cells that process hereditary information encoded in genes , which can be transmitted to future generations.
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Biology | Definition, History, Concepts, Branches, & Facts
WebNov 8, 2023 · 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, marine biology, medicine, microbiology, molecular biology, physiology, and …
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Biology library | Science | Khan Academy
WebWelcome to the Biology library! Biology is the study of life. Here, you can browse videos, articles, and exercises by topic. We keep the library up-to-date, so you may find new or improved content over time.
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Intro to biology | Biology library | Science | Khan Academy
WebBiologists study life at many scales, from individual cells to organisms to the entire biosphere (planet Earth). Jump in to learn more about the key themes of biology and the properties of living things.
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What Is Biology? | Live Science
WebFeb 2, 2022 · Biology is the study of everything that is, or was once, alive — whether it's a plant, animal or microorganism. Comments (0) Biology is the study of all living organisms, including this...
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Preparing to study biology (article) | Khan Academy
WebDon't be deterred from biology if some of these topics are not your favorites (yet!). Biology is a huge, diverse field. All biologists need to have some basic, foundational understanding of chemistry, physics, math, and statistics. But they don't have to …
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Cell | Definition, Types, Functions, Diagram, Division, Theory,
WebNov 15, 2023 · Cell, in biology, 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.
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What is life? (article) | Intro to biology | Khan Academy
WebIn the intro to biology video, we defined biology as the branch of science concerned with the study of living things, or organisms. That definition is pretty straightforward. However, it opens the door to more difficult—and more interesting—questions: What is life? What does it mean to be alive? You are alive, and so am I.
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Biology overview (video) | Intro to biology | Khan Academy
WebYou're going to realize that biology, in some way, is the most complex of the sciences. And in a lot of ways, the one that we understand the least. It's going to be built on top of chemistry, which in turn is built on top of physics, which in turn is built on top of mathematics.
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Biology Portal | Britannica
WebBiology How do plants feed themselves? How did dogs evolve from wolves? What good is the appendix in humans, anyway? Such questions fall within the domain of biology, which seeks to understand living organisms and their vital processes (although the jury’s still out on what our appendixes are for).
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