| A | B |
|---|
| energy | ability to do work |
| atoms | building blocks of matter |
| matter | anything that has mass and occupies space |
| photosynthesis | complex process occurring in green plants |
| respiration | 'breathing' in cells producing energy |
| food web | complex, interlocking series of food chains |
| producer | organism that produces its own food (plants) |
| consumer | organism that lives off other organisms |
| herbivores | plant eaters |
| carnivores | meat eaters |
| omnivores | eats both plants and animals |
| decomposer | an organism that eats dead organic matter |
