| A | B |
|---|
| Food Chain | A series of events in which organism eats anther. |
| Producer | An organism that can make its own food. |
| Energy Pyramid | A diagram that shows the amont of energy that moves from one feeding level to another in a food web. |
| Food Web | The pattern of overlapped food chain in am ecosystem. |
| Decomposer | An orgainism that breaks down wastes and dead orgainism. |
| Consumer | An organism that obtains energy by feeding on other orgainsms. |
| Nodules | Bumps on the roots of certain plants that house nitrogen fixing bacteria. |
| Deciduous Tree | Trees that shed their leaves and grow new one each year. |
| Biome | A group of ecosystem with similar climate and organisms. |
| Savanna | A grassland close to the equator. |
| Understory | A layer of shorter plants that grow in the shade of a forest canopy. |
| Permafrost | Soil that is frozen all year. |
| Estuary | A habitat in which the fresh water of a river meets the salt water of an ocean. |
| Intertidal Zone | The area between the highest high-tide line. |
| Neritic Zone | The region of shallow ocean water over the continental shelf. |
| Coniferous Tree | Trees the produce their seeds in cones and have needle-shaped leaves. |
| Canopy | a leafy roof formed by tall trees. |
