| A | B |
| Micro-orogranisms | an extremely small living thing that can be seen with a microscope |
| Photosynthesis | Process by which a green plant turns water, carbon dioxide into food using light |
| Fuel | to give support or strength to something |
| Metabolism | chemical processes by which a plant or animal uses food, water, etc. to grow and heal and to make energy |
| State | a way of living or existing |
| Multicellular | many cells |
| Adapt | to change something so that it functions better or is better suited for a purpose |
| Preserve | to keep something in its original state or in good condition |
| Molecule | two atoms bonded together chemically |
| Drastically | Extreme in effect or action: severe or serious |