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Science Vocab 2
Term | Definition |
---|---|
Organism | A living thing |
Species | A group of similar organisms that breed and produce fertile offspring in nature |
Unicellular | One-celled |
Autotroph | An organism that makes its own food |
Cell | The smallest structural unit or "building block" of life |
Homeostasis | The maintenance of a balanced internal environment |
Heterotroph | Organisms not able to make their own food |
Redi | Experiment with meat and maggots that proves life comes from life |
Pasteur | Experiment with broth and bacteria proving that life comes from life |
Hooke | First to recognize cells under a microscope |
Leeuwenhoek | First to see moving organisms under a microscope |
Schleiden | All plants are made of cells |
Schwan | All animals made of cells |
Virchow | New cells from cells that already exist |
Cell Theory | 1. All living organisms are made of cells 2. Cells are the basic unit of structure and functions in living organisms 3. All cells are produced from other cells |