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The tests are free to U.S. military service members and some veterans. [7] [8] There is an additional fee of $10 for the optional essay portion of some of the exams. Each test usually corresponds to a one or two semester introductory course on the topic, though the Spanish, French, and German Language exams can be used to earn up to 12 credits.
Advanced Placement (AP) Biology (also known as AP Bio) is an Advanced Placement biology course and exam offered by the College Board in the United States. For the 2012–2013 school year, the College Board unveiled a new curriculum with a greater focus on "scientific practices".
Image credits: join-piano.hellosimply.com #6 Level up your sketching skills with the Domestika's - Drawing for Beginners Level -1 course!Become a drawing guru, master the art of hand-drawn ...
Perhaps the best-known example of computational biology, the Human Genome Project, officially began in 1990. [4] By 2003, the project had mapped around 85% of the human genome, satisfying its initial goals. [5] Work continued, however, and by 2021 level " a complete genome" was reached with only 0.3% remaining bases covered by potential issues.
The term "homology" was first used in biology by the anatomist Richard Owen in 1843 when studying the similarities of vertebrate fins and limbs, defining it as the "same organ in different animals under every variety of form and function", [6] and contrasting it with the matching term "analogy" which he used to describe different structures ...
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.
Additionally, a trait may be convergent at a broader level of description while being divergent at a more detailed level, with an example being the differently structured wings of insects, pterosaurs, birds, and bats. Knowing how common convergence is also requires more research into how often a trait failed to evolve under the same selective ...
Medicine (UK: / ˈ m ɛ d s ɪ n / ⓘ, US: / ˈ m ɛ d ɪ s ɪ n / ⓘ) is the science and practice of the diagnosis, prognosis, treatment, and prevention of disease.[4] [5] The word "medicine" is derived from Latin medicus, meaning "a physician".