Cell Theory

By nickbay78

  • First microscope invented

    First microscope invented
    Jansen created the first basic microscope. It was a single lens microcope.

  • classified all organisms either a plant or an animal

    classified all organisms either a plant or an animal
    This is not the actual date. The actual date was around 340 B.C. I put it here to scale the timeline reasonable.
    Aristotle classifies all known organisms as either a plant or an animal. He writes that living things can arise spontaneously from non-living matter.

  • the thought that all living things come from nonliving organisms

    the thought that all living things come from nonliving organisms
    Jan Baptist van Helmont believed in spontaneous generation and produdced an experiment with mice. He thought living things come from nonliving organisms.

  • First cell was found

    First cell was found
    Robert Hooke discovered the first cell. The first cell was a cork sample he saw under a compund microscope.

  • First living cell discovered

    First living cell discovered
    Leeuwenhoek observed the first living cell under a microcope. Without him no one would know what a living cell looks like.

  • discovered that all living things are made of and consist of cells

    discovered that all living things are made of and consist of cells
    Oken discovered that all living organisms are made of and consist of cells. Without him, people wouldn't know what humans are made of

  • discovered the nucleus of the cell

    discovered the nucleus of the cell
    Robert Brown discovered the nucleus of the cell. Without him, no one would know what the nucleus looks like or what it does.

  • discovered cell theory

    discovered cell theory
    Schwann and Schleiden together discovered cell theory. They said cells are the basic building blocks of living things. Without them, cell theory wouldn't have been discovered.

  • discovered that sperm and egg cells are also under the catergory of cells

    discovered that sperm and egg cells are also under the catergory of cells
    Roelliker discovered that sperm and egg cells are also under the catergory of cells.

  • disproved spontaneous generation

    disproved spontaneous generation
    Pasteur disproved spontaneous generation by using an experiment that described cell theory beyond doubt and strengthened the steps of the scientific method.

  • said that cells only develop from exicting cells

    said that cells only develop from exicting cells
    Virchow said that cells only develop from existing cells. Without Virhcow, people wouldn't know how cells multiply.

  • links

    www.softschools.com/timelines/cell_theory_timeline/96/ science.howstuffworks.com/innovation/scientific-experiments/scientific-method4.htm prezi.com/2neqtvrncc3m/cell-theory-timeline/