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  2. Reading comprehension - Wikipedia

    en.wikipedia.org/wiki/Reading_comprehension

    A U.S. Marine helps a student with reading comprehension as part of a Partnership in Education program sponsored by Park Street Elementary School and Navy/Marine Corps Reserve Center Atlanta. The program is a community outreach program for sailors and Marines to visit the school and help students with class work.

  3. Serial passage - Wikipedia

    en.wikipedia.org/wiki/Serial_passage

    Relatively few passages are necessary to produce a noticeable change in a virus; for instance, a virus can typically adapt to a new host within ten or so passages. [ 5 ] Because serial passage allows for rapid evolution of a virus to its host, it can be used to study the evolution of antibiotic resistance; specifically, for determining what ...

  4. Tree of life (biology) - Wikipedia

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

    Edward Hitchcock's fold-out paleontological chart in his 1840 Elementary Geology. Although tree-like diagrams have long been used to organise knowledge, and although branching diagrams known as claves ("keys") were omnipresent in eighteenth-century natural history, it appears that the earliest tree diagram of natural order was the 1801 "Arbre botanique" (Botanical Tree) of the French ...

  5. Extensive reading - Wikipedia

    en.wikipedia.org/wiki/Extensive_reading

    This primary school in Laos began a daily reading period in September 2013, in which children select a book to read simply for enjoyment. Big Brother Mouse, a literacy project that sponsored the program, began conducting a study in 2013 to measure reading and vocabulary improvements in schools that had this program.

  6. Evolution of sexual reproduction - Wikipedia

    en.wikipedia.org/wiki/Evolution_of_sexual...

    Sexually reproducing animals, plants, fungi and protists are thought to have evolved from a common ancestor that was a single-celled eukaryotic species. [1] [2] [3] Sexual reproduction is widespread in eukaryotes, though a few eukaryotic species have secondarily lost the ability to reproduce sexually, such as Bdelloidea, and some plants and animals routinely reproduce asexually (by apomixis ...

  7. List of unsolved problems in biology - Wikipedia

    en.wikipedia.org/wiki/List_of_unsolved_problems...

    Vacuoles of vanadocytes are notable for high levels of the metal vanadium and their low pH. Metabolism in Henneguya zschokkei , a species of myxozoan . This species of cnidarian was found to lack mitochondria and, therefore, is incapable of aerobic respiration .

  8. Glossary of biology - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_biology

    This glossary of biology terms is a list of definitions of fundamental terms and concepts used in biology, the study of life and of living organisms.It is intended as introductory material for novices; for more specific and technical definitions from sub-disciplines and related fields, see Glossary of cell biology, Glossary of genetics, Glossary of evolutionary biology, Glossary of ecology ...

  9. Cell culture - Wikipedia

    en.wikipedia.org/wiki/Cell_culture

    The cost of growing mammalian cell cultures is high, so research is underway to produce such complex proteins in insect cells or in higher plants, use of single embryonic cell and somatic embryos as a source for direct gene transfer via particle bombardment, transit gene expression and confocal microscopy observation is one of its applications ...

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