Across
- 4. The process of making new products from materials that were used in another product
- 6. Cutting down of forests leading to increased erosion and slower soil regeneration
- 8. A group of similar organisms that can mate with each other and produce fertile offspring
- 9. species with a small population that are in danger of becoming extinct
- 10. An area that provides an organism with it's basic needs for survival
Down
- 1. waste materials from industry that are poisonous to humans and other living things
- 2. A natural resource that is not replaced in a useful time frame
- 3. convert waste into reusable material
- 5. The total surroundings of an organism or a group of organisms
- 7. The disappearance of all members of a species from earth