| A | B |
|---|
| Ecosystem | They can be as large as an entire desert of as small as a rotting log |
| Populations | All the living things in a certain area. |
| Sampling | One way of counting large populations |
| Biome/Habitat | A complex community of plants and animals in a region. |
| Niche | A place where a living thing lives and how it interacts with this environment. |
| Physical Environment | A place made up of nonliving things and living things. |
| Water | This dissolves nutrients so living thins can use them. |
| Abiotic Factor | Non-living ingredients include water, soil, air and sunlight. |
| Sun | Plants capture energy. It is used by plants or by living things that eat plants. |
| Biotic Factors | Living components of an area. |
| Nutrients | Provide nourishment or promotes growth. |
| Chlorophyll | The green substance in plants that enables them to carry on photosynthesis. |
| Photosynthesis | The process by which |
| Nitrogen | Plants need this to make new cells. |
| Oxygen | Animals use this for breathing and to get energy for good. |
| Carbondioxide | Plants use this to make food. |
