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Understanding Cell Theory

By Turner Dilley
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    No Difference In Living And Nonliving

    No Difference In Living And Nonliving
    Click Link Below Aristotle believed there was no real boundary between living and nonliving things.

  • Microscope Invented

    Microscope Invented
    Click Link BelowZacharias Jansen invents the fisrt microscope to see cells up closer.

  • Recipe For Mice

    Recipe For Mice
    Click Link Below Jan Baptista van Helmont believes mixing a dirty shirt with several grains of wheat would produce adult mice in 21 days.

  • Cells Named And Viewed

    Cells Named And Viewed
    Click Link Below In 1665, Robert Hooke gave cells their name and was the first person to view cells up close under a microscope.

  • Plants Adapt to Different Environmental Conditions

    Plants Adapt to Different Environmental Conditions
    Click Link Below In 1801 a botanist, Robert Brown, whose work on the plants of Australia and New Zealand became a classic; especially important were his descriptions of how certain plants adapt to different environmental conditions. Brown is also credited with discovering the cell nucleus and analyzing sexual processes in higher plants.

  • Organic Beings

    Organic Beings
    Click Link Below
    Lorenz Oken proposes that all organic beings originate from and consist of vesicles or cells.

  • Lower Plants Consist Of One Cell, Higher Plants Consist Of Many Cells

    Lower Plants Consist Of One Cell, Higher Plants Consist Of Many Cells
    Click Link Below It was not until 1838 that Matthias J. Schleiden, a German botanist interested in plant anatomy, stated, “the lower plants all consist of one cell, while the higher ones are composed of (many) individual cells.”

  • Living Things Made of Cells

    Living Things Made of Cells
    Click Link BelowTheodor Schwann states that all living things are made up of one or more cells.

  • Egg Cells Are Sperm Cells

    Egg Cells Are Sperm Cells
    Click Link Below Albrecht von Roelliker realized that sperm cells and egg cells are also cells.

  • Organisms Don't Get Sick, Cells Do

    Organisms Don't Get Sick, Cells Do
    Click Link Below Rudolf Virchow’s greatest accomplishment was his observation that a whole organism does not get sick—only certain cells or groups of cells.

  • Basic Steps of The Scientific Method

    Basic Steps of The Scientific Method
    Click Link Below Louis Pasteur established the cell theory beyond doubt and solidified the basic steps of the modern scientific method in 1863. He also proved spontaneus generation wrong.

  • Improved Microscope And The Discovery Of Bacteria And Protozoa

    Improved Microscope And The Discovery Of Bacteria And Protozoa
    Clink Link Below Anton Van Leeuwenhoek discovers "little animals", or as we know them bacteria and protozoans. He also improved the miscroscope.