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  2. Huff and puff apparatus - Wikipedia

    en.wikipedia.org/wiki/Huff_and_puff_apparatus

    The huff and puff apparatus is used in school biology labs to demonstrate that carbon dioxide is a product of respiration. A pupil breathes in and out of the middle tube. The glass tubing is arranged in such a way that one flask bubbles as the pupils breathes in, the other as the pupil breathes out.

  3. Laboratory experiments of speciation - Wikipedia

    en.wikipedia.org/wiki/Laboratory_experiments_of...

    A simplification of an allopatric speciation experiment where two lines of fruit flies are raised on maltose and starch media. Laboratory experiments of speciation have been conducted for all four modes of speciation: allopatric, peripatric, parapatric, and sympatric; and various other processes involving speciation: hybridization, reinforcement, founder effects, among others.

  4. List of experiments - Wikipedia

    en.wikipedia.org/wiki/List_of_experiments

    Elizabeth Loftus' and John C. Palmer's car crash experiment shows that leading questions can produce false memories (1974) Benjamin Libet's experiment on free will shows that a readiness potential appears before the notion of doing the task enters conscious experience, sparking debate about the illusory nature of free will yet again. (1983)

  5. List of research methods in biology - Wikipedia

    en.wikipedia.org/wiki/List_of_research_methods...

    Experiment that has two or more groups of subjects each being tested by a different testing factor simultaneously Student's t-test , Analysis of variance , Mann–Whitney U test Repeated measures design

  6. Berlese funnel - Wikipedia

    en.wikipedia.org/wiki/Berlese_funnel

    A funnel (E) contains a sample of soil or leaf litter (D), and a heat source (F), in this case an electric lamp (G), heats the sample. Animals escaping from the desiccation of the sample descend through a filter (C) into a preservative liquid (A) in a receptacle (B).

  7. High Schooler with Cyclic Vomiting Syndrome Goes Viral for ...

    www.aol.com/high-schooler-cyclic-vomiting...

    Tasha Lawson was diagnosed with cyclic vomiting syndrome in the fall of 2024 after dealing with stomach problems for many years. Prior to the high school student's diagnosis, she and her mom Tanya ...