| A | B |
| life springs from nonliving matter | spontaneous generation |
| person who disproved spontaneous generation | Francesco Redi |
| a change in the environment that produces a response | stimulus |
| a change in an organism's behavior due to a stimulus | response |
| sexual reproduction | requires two parents |
| asexual reproduction | reproduction from one parent |
| the ability of an organism to keep body conditions the same | homeostasis |
| endothermic | organism able to maintain its body temperature internally |
| ectothermic | animal that must use its behavior to maintain its body temperature |
| warmblooded | endothermic |
| coldblooded | ectothermic |
| age of Earth | 4.6 billion years |
| lack of moisture in your eye | example of a stimulus |
| blinking | example of a response |
| how spontaneous generation was disproved | three jars of meat |