Across
- 2. A terrestrial invertebrate belonging to the phylum Annelida,called "tiny farmer".
- 6. The act of cutting down or clearing trees from a forested area.
- 7. The typical weather conditions in an area over a long period.
- 8. The presence of harmful substances in the environment.
- 9. A sudden shaking of the ground caused by the movement of the earth’s crust.
- 10. The name of a planet we live in.
Down
- 1. A relationship where one organism benefits at the expense of another.
- 3. The natural environment in which a plant or animal lives.
- 4. The variety of plant and animal life in a particular habitat or in the world.
- 5. The top layer of the Earth's surface that supports plant life
