Across
- 1. A community of living organisms that live in and interact with each other and their physical environment.
- 4. A large community (large ecosystem) of plants and animals.
- 5. Flat, treeless Arctic regions of Europe, Asia and North America, where the ground is permanently frozen.
Down
- 2. Also called Boreal coniferous forests,are the Earth’s northernmost forests.
- 3. Permanently frozen ground,found in polar and tundra regions.