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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 composed of at least one cell that processes hereditary information encoded in genes , which can be transmitted ...
Reading positive responses in USA Today prompted Khan to incorporate Khan Academy in 2008 and quit his job the same year to focus full-time on creating educational tutorials (then released under the name Khan Academy) [11] Khan Lab School, a school founded by Sal Khan and associated with Khan Academy, opened on September 15, 2014, in Mountain ...
In the science curriculum, ninth grade students are required, in most areas, to take biology. But they can take different courses before they take Biology such as Integrated Science. [citation needed]. Other forms of sciences such as basic physical science or earth sciences could also be part of the curriculum as well, depending on the school ...
Light micrograph of a moss's leaf cells at 400X magnification. The following outline is provided as an overview of and topical guide to cell biology: . Cell biology – A branch of biology that includes study of cells regarding their physiological properties, structure, and function; the organelles they contain; interactions with their environment; and their life cycle, division, and death.
Cell Biology in "The Biology Project" of University of Arizona. Centre of the Cell online; The Image & Video Library of The American Society for Cell Biology Archived 2011-06-10 at the Wayback Machine, a collection of peer-reviewed still images, video clips and digital books that illustrate the structure, function and biology of the cell.
Fluctuating cholesterol levels means that a person has cholesterol levels that change significantly in a short period of time, like from year to year, Segil explains. But this isn't common.
Evolutionary biology is the subfield of biology that studies the evolutionary processes (natural selection, common descent, speciation) that produced the diversity of life on Earth. It is also defined as the study of the history of life forms on Earth.
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