| A | B |
|---|
| The six characteristics of Living Things | made of cells, need energy, grow and develop, reproduce, respond to the environment, have adaptations for their enviroment |
| Cells | the basic unit of life |
| Energy | the ability to make things change |
| Metabolism | the sum of the energy creating processes and the energy using processes |
| Stimulus | anything that causes a response in an organism |
| Reaction | jumping out of the way of a car is an example |
| Reproduction | living things coming from other living things |
| Adaptation | a characteristic that allows an organism to survive in its environment |
| Structure | part of an organism that performs a specific task |
| Function | purpose or task |
| Variation | differences in structures among different organisms |
| Spiracles | small holes in the sides of insects abdomens used for breathing |
| Circulatory System | is responsible for pumping blood throughout the body |
| Digestive System | breaks down food into smaller pieces so that it can be absorbed and transported throughout the body |
| Respiratory System | is responsible for the exchange of gases throughout the body |
| Nervous System | includes the brain and spinal chord |
| Excretory System | is responsible for removing wastes from the blood |
| Skeletal System | responsible for protecting tissue and organs |
| Muscular System | move organs that contain muscle tissue |
| Integumentary System | includes skin |
