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Test 1

Cell Theory and Levels of Organization

TermDefinition
Zacharias Janssen Scientist that invented the first microscope.
Robert Hooke Scientist that looked at cork under a microscope and was the first to use the term "cell".
Theodor Schwann Scientist that determined all animals are made of cells.
Matthias Schleiden Scientist that determined all plants are made of cells.
Rudolf Virchow Scientist that determined all cells came from pre-existing cells.
Anton van Leeuwenhoek Scientist that discovered bacteria under the microscope
Cell Theory states (1)... All living organisms are composed of one or more cells
Cell Theory states (2)... The cell is the basic unit of structure and organization in organisms. (Cell is the basic unit of life)
Cell Theory states (3)... All cells come from preexisting cells.
Cells The basic structural and functional unit of living organisms
Tissue A group of cells that have a similar function or structure
Organ A group of tissues that have a specific function or a group of functions
Organ System A group of organs that work together to perform specialized functions
Organism A self-contained living thing
Created by: MagdanielScience
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