Robert Hooke (1665) - Studied cork and and named the structures he saw "cells". The first person discover/DESCRIBE cells., Anton van Leeuwenhoek (1674) - Created a single lens microscope that could magnify 270x. Discovered MICROBES or small "animalcules" or protists in pond "scum" (protists, algae), bacteria, and many other microorganisms., Zacharias Janssen (1590) - Invented the first microscope., Mathias Schleiden (1838) - Botanist who proved that all plants are made of cells., Theodore Schwann (1839) - Zoologist who observed that tissues of animals were made of cells., Rudolf Virchow (1858) - Proposed that all cells come from pre-existing cells., Robert Remak (1855) - WAS THE FIRST TO PROVE THAT: All cells come from preexisting cells., Schleiden and Schwann (1839) - Developed the first two parts of cell theory., theory - A former hypothesis that has been tested with repeated experiments and observations and found always to work. , hypothesis - In science, it is an idea or explanation that you then test through study and experimentation. It goes through A LOT of testing before it becomes a THEORY!, microbiology - The study of microscopic organisms., microbe - An organism that can be seen only with a microscope. They are microscopic!!,

Cell Discovery and Theory

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