| A | B |
| holism | study of the entire organism |
| reductionism | reducing an organism to its parts to learn about it; dissection |
| Archae | Domain containing prokaryotic organisms that live in extreme conditions |
| Bacteria | The domain of life LEAST related to eukaryotes |
| Eukarya | contains four kingdoms: Protista, Fungi, Plantae, Animalia |
| Robert Hooke | named the cell |
| Anton van Leeuwenhoek | observed the first living cells |
| Schleiden and Schwann | developed the cell theory |
| Watson and Crick | explained the structure of DNA |
| DNA | composed of four nucleotides that compose the genes |
| Natural Selection | mechanism of evolution |
| Postive feedback | speeds up biological processes |
| Negative feedback | slows down biological processes |
| evolution | theory that species change over time |
| prokaryote | cell that lacks membrane-bound nucleus and membrane-bound organelles |
| eukaryote | cells that have a membrane-bound nucleus and membrane-bound organelles |
| cell | basic unit of structure and function of a living thing |
| taxonomy | science of classification |
| population | all of one species of organism in a given area |
| all the organisms in a given area interacting with the abiotic environment | ecosystem |