| A | B |
| ADAPTATION | a behavior or body structure which makes an organism more successful in its habitat |
| BIODIVERSITY | the variety of life forms, their ecological roles and their genetic variations |
| DECIDUOUS | bushes and trees that shed their leaves at the end of a growing season |
| DECOMPOSITION | the act of breaking down or decaying into basic elements and compounds |
| ECOSYSTEM | a natural arrangement of living organisms interacting within their physical environment to create a stable system |
| ENDANGERED | in danger of extinction throughout (all or a significant portion of) its range if current trends affecting its |
| FOLIAGE | the leaves of plants and trees |
| FOOD CHAINS | the transfer of food energy from producer (plant) to consumer (animal) to decomposer (insect, fungus, etc.) |
| FORESTS | any dense growth of trees and other plants that covers large areas |
| HABITATS | any arrangement of space, food, water and shelter suitable for the survival and reproduction of an organism |
| NATURAL RESOURCE | a material source of wealth that occurs in a natural state |
| PRIMATE | the mammalian order that contains prosimians (lemurs), monkeys, apes, and humans |
| EPHIPHYTE | a plant that lives on a trees, using the tree for support |
| OXYGEN | a colorless, tasteless, orderles gas. Plants give off oxygen through their leaves. |
| UNDERSTORY | the layer of the rainforest immediately beneath the canopy. |
| CANOPY | the second highest layer of the rainforest composed of the crowns of trees |
| EMERGENT LAYER | the highest layer of the the rainforest |
| NUTRIENTS | Substances that provide life and growth. Rainforest soil is full of nutrients. |