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10 Cards in this Set

  • Front
  • Back
the basic unit of structure and function in living things.
am instrument that makes small objects look larger.
Robert Hooke
One of the first people to observe cells. In 1663, Hooke observed the structure of a thin slice of cork using a compound microscope he had built himself.
Anton van Leeuwenkoek
built simple microscopes and used them to observe tiny objects. He called the single-celled organisms he saw 'animalcules'.
Matthias Schleiden
In 1838 he concluded that all plants are made of cells.
Theodor Schwann
In 1839, he concluded that all animals are also made of cells.
Rudolf Schwann
In 1855, he proposed that new cells are formed only from existing cells.
cell theory
-all living things are composed of cells.
--cells are the basic unit of structure and function in living things.
--all cells are produced from other cells.
the ability to make things look larger than they are.
the ability to clearly distinguish the individual parts of an object.