| A | B |
| climate | Includes temperature and precipitation. |
| soil | A mixture of water, air, living organisms, organic and inorganic matter. |
| leaf litter | The top layer of soil. |
| One job of leaf litter | It becomes part of the soil and releases nutrients. |
| photosynthesis | A process where plants use the sun's energy. |
| canopy | Formed by the branches and leaves of the tallest trees. |
| understory | The shorter and younger plants in a forest. |
| forest floor | Includes plants that grow well in the shade. |
| herbivores | Only eat plants. |
| carnivores | Only eat other animals. |
| Omnivores | Eat animals and plants. |
| An example of a non-living part of a forest | A stream. |
| parasites | Live and feed on living animals. |
| decomposers | Feed on dead plants and animal matter. |
| This is passed on during photosynthesis. | energy |