- bald (ecology) n.
- An area lacking a natural or usual covering.
- biome n.
- A major community of plants and animals having similar life forms or morphological features and existing under similar environmental conditions (prevailing climate).
- canopy n.
- The uppermost layer in a forest, formed by the crowns of the trees.
- climate n.
- The meteorological conditions, including temperature, precipitation, and wind, that characteristically prevail in a particular region.
- climatology n.
- The meteorological study of climates and their phenomena.
- compressed adj.
- Pressed together or into less volume or space; flattened; squished together.
- deciduous adj.
- Shedding or losing foliage (leaves) at the end of the growing season.
- depression n.
- An area that is sunk below its surroundings; a hollow or hole.
- elevation n.
- Height on the earth's surface above sea level.
- evolution (biology) n.
- A theory in biology that animals and plants have their origin in other preexisting types and that the distinguishable differences are due to modifications in successive generations. [more]