| A | B |
|---|
| growth | changes in an organism resulting in an increase in the amount of living material |
| stimulus | anything in the environment that causes an organism to react |
| response | an organism's reaction to a change in its environment |
| evolution | gradual change in a species through adaptations over time |
| species | a group of organisms capable of mating with each other and producing offspring who can also reproduce |
| development | the changes that take place during an organism's life |
| reproduction | the production of offspring |
| homeostasis | an organism's ability to control its internal environment to maintain conditions suitable for survival |
| energy | the ability to cause change |
| biology | the study of life |
| adaptation | any structure, behavior, or internal process that enables an organism to respond to environmental factors and survive to produce offspring |
| environment | the surroundings to which an organism must adjust |
| organization | the orderly structure of cells in an organism |
| organism | anything that possesses all the characteristics of life |
