Term
DEVELOPMENT OF THE CELL THEORY
SPONTANEOUS GENERATION |
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Definition
* The theory that life could emerge spontaneously from non-living matter
* The supposed production of living organisms from nonliving matter, as inferred from the apparent appearance of life in some supposedly sterile environments. |
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Term
DEVELOPMENT OF THE CELL THEORY
CELL THEORY |
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Definition
* The theory stating that all living things are made up of cells, the smallest unit of life, & that all cells come from pre-existing cells
* All biological organisms are composed of cells; cells are the unit of life and all life come from preexisting life. The cell theory is so established today that it forms one of the unifying principles of biology |
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Term
DEVELOPMENT OF THE CELL THEORY
CONTROLLED VARIABLE |
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Definition
* A condition that is held constant throughout an experiment
* An element that is not changed throughout an experiment, because its unchanging state allows the relationship between the other variables being tested to be better understood |
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Term
DEVELOPMENT OF THE CELL THEORY
CELL THEORY |
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Definition
The 3 main ideas of the cell theory are as follows:
1. All living things are made up of one or more cells & the materials produced by these cells
2. All life functions take place in cells, making cells the smallest unit of life
3. All cells are produced from pre-existing cells through the process of cell division |
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