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  2. SAT Subject Test in Biology E/M - Wikipedia

    en.wikipedia.org/.../SAT_Subject_Test_in_Biology_E/M

    A set of 60 questions was taken by all test takers for Biology and a choice of 20 questions was allowed between either the E or M tests. This test was graded on a scale between 200 and 800. The average for Molecular is 630 while Ecological is 591. [1] On January 19 2021, the College Board discontinued all SAT Subject tests, including the SAT ...

  3. Biological tests of necessity and sufficiency - Wikipedia

    en.wikipedia.org/wiki/Biological_tests_of...

    [2] in other words, when some factor is sufficient to cause an effect, the presence of the cause guarantees the occurrence of the effect. [3] However, a different cause z may also cause y, meaning that y may occur without x occurring. [2] [3] For a concrete example, consider the conditional statement "if an object is a square, then it has four ...

  4. Crash Course (web series) - Wikipedia

    en.wikipedia.org/wiki/Crash_Course_(web_series)

    The Biology program featured the recurring segment "Biolo-graphy", during which Hank relayed a short biography of someone who was associated with the topic of the episode. Additionally, at the conclusion of each episode, Hank provided YouTube annotations with links to every subtopic he explained within the video.

  5. Test (biology) - Wikipedia

    en.wikipedia.org/wiki/Test_(biology)

    The test of foraminifera, a group of single-celled organisms, is extremely evolutionarily diverse.Many different methods of constructing the test are present, from lacking a test in Reticulomyxa, proteinaceous tests in the "allogromiids", agglomerated tests made from foreign particles in many groups including textulariids, silica tests in silicoloculinids, and aragonite or calcite tests in ...

  6. Ecological efficiency - Wikipedia

    en.wikipedia.org/wiki/Ecological_efficiency

    Terrestrial plants, on the other hand, grow slowly and expend much of the energy derived from primary production on their own respiration, resulting in much smaller P/B ratios of between 0.5 and 2.0. [6] Secondary production at sea tends to be more efficient as well, with up to a 15% transfer efficiency between trophic levels.

  7. Metabolic theory of ecology - Wikipedia

    en.wikipedia.org/wiki/Metabolic_theory_of_ecology

    The metabolic theory of ecology (MTE) [1] is the ecological component of the more general Metabolic Scaling Theory [2] and Kleiber's law. It posits that the metabolic rate of organisms is the fundamental biological rate that governs most observed patterns in ecology. MTE is part of a larger set of theory known as metabolic scaling theory that ...

  8. Outline of biology - Wikipedia

    en.wikipedia.org/wiki/Outline_of_biology

    Molecular biology – study of biology and biological functions at the molecular level, with some cross over from biochemistry. Structural biology – a branch of molecular biology, biochemistry, and biophysics concerned with the molecular structure of biological macromolecules. Health sciences and human biologybiology of humans.

  9. Viking lander biological experiments - Wikipedia

    en.wikipedia.org/wiki/Viking_lander_biological...

    The general scientific community surmises that the Viking's biological tests remain inconclusive, and can be explained by purely chemical processes. [ 1 ] [ 26 ] [ 31 ] [ 32 ] Despite the positive result from the Labeled Release experiment, a general assessment is that the results seen in the four experiments are best explained by oxidative ...

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