| A | B |
|---|
| organisms | the name of living things |
| cell | basic unit of structure in an organism |
| unicellular | a single celled organism |
| multicellular | an organism made of many cells |
| stimulus | a change in an organisms surroundings that makes an organism react |
| response | the reaction to a stimulus-change in behavior |
| development | the process of becoming more complex |
| growth | the process of becoming larger |
| reproduction | ability to produce offspring |
| spontaneous generation | idea that living things can arise from nonliving things |
| controlled experiment | an experiment with 2 tests identical except for 1 factor |
| manipulated variable | the factor that a scientist changes in an experiment |
| autotrophs | organisms that make their own food |
| heterotrophs | obtain their energy by feeding on others |
| water | needed by all living things to survive |
| homeostasis | maintain stable intermal conditions |
| classification | the process of grouping things according to their similarities |
| taxonomy | the study of how living things are classified |
| Carolus Linneaeus | devised a system of naming organisms base on features |
| binomial nomenclature | Linnaeus naming system-two names |
| genus | the first word of a scientific name |
| Species | a group of similar organisms that can mate and reproduce |
| Darwin | developed a theory about how species change over time. |
| evolution | the process by which species gradually change over time |
| prokaryotes | organisms whose cells lack a nucleus-bacteria |
| nucleus | a dense area in a cell that directs the cells activities |
| archaea | found in extreme environments |
| eukaruya | organisms whose cells have a nucleus-protists, fungi, plants, animals |
| protists | Not animal, plant or fungus-odds and ends |
| Fungi | mushrooms, mold and mildew |
| plants | multicellular autotrophs (make their own food) |
| animals | multicellular heterotrophs (Locate food and eat) |
