| A | B |
| species | Group or organisms that can interbreed and produce fertile offspring in nature |
| data | Information obtained from experiments; sometimes called experimental results |
| reproduction | Production of offspring by an organism |
| control | In an experiment, the standard against which the results are compared. |
| energy | The ability to cause change; organisms use this to perform biological functions |
| ethics | The moral principles and values held by humans. |
| growth | Increase in the amount of living material and formation of new structures in an organism |
| development | All the changes that take place during the life of an organism |
| scientific methods | Procedures that biologist and other scientists use to gather information and answer questions including observing and hypothesizing, experimenting, and gathering and interpreting results |
| organism | Anything that possess all the characteristics of life |
| stimulus | Anything in an organism’s internal or external environment that causes the organism to react |
| environment | Biotic and abiotic surroundings to which an organism must constantly adjust |
| hypothesis | Explanation for a question or problem that can be formally tested. |
| dependent variable | In an experiment, the condition that results from changes in the independent variable |
| independent variable | In an experiment, the condition that is tested because it affects the outcome of the experiment |
| evolution | Gradual change in a species through adaptations over time |
| technology | Application of scientific research to society’s needs and problems |
| theory | Explanation of natural phenomenon supported by a large body of scientific evidence obtained from many different investigations and observations |
| adaptation | Evolution of a structure, behavior, or internal process that enables an organism to respond to environmental factors and live to produce offspring |
| safety symbol | Symbol that warns you about a danger that may exist from chemicals, electricity, heat, or experimental procedures |
| response | an organism's reaction to a change in its internal or external environment |
| organization | orderly structure of cells in an organism; a characteristic of all living things |
| experiment | procedure that tests a hypothesis by collecting information under controlled conditions |
| biology | the study of life that seeks to provide understanding of the natural world |
| homeostasis | organisms' regulation of its internal environmnet to maintain conditions suitable for survival; a characteristic of all living things |