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| The Matthais Schleiden and Theodor Schwann 1839 postulation that all living things consist of cells and that new cells are produced by the division of existing cells |
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| a microscopic single-celled organism that has neither a distinct nucleus with a membrane nor other specialized organelles. Prokaryotes include the bacteria and cyanobacteria |
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| an organism consisting of a cell or cells in which the genetic material is DNA in the form of chromosomes contained within a distinct nucleus. Eukaryotes include all living organisms other than the eubacteria and archaebacteria. |
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| DNA (deoxyribonucleic acid) |
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| The substance of genes, the units of inheritance that transmit information from parents to offspring. |
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| The entire “library” of genetic instructions that an organism inherits is called its genome. |
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| A whole can be understood by studying its parts. |
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| An understanding of the whole by studying the whole (whole is more than the sum of its parts) |
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| The branch of science concerned with classification, especially of organisms; systematics. |
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- Precise organization (order)
- Ability to take energy and use it (metabolism)
- Ability to respond to stimuli (environment response)
- Capacity for growth and development
- Ability to reproduce
- Ability to evolve
- Ability to regulate internal environment (homeostasis)
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| In 1855, Rudolf Virchow extended the cell theory include the concept that all cells come from other cells. |
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| Archaebacteria, Eubacteria, Protista, Fungi, Plantae, and Animalia. |
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