Across
- 5. the practice in which forests are logged or cleared for human use and never replanted
- 10. referring to aboriginal knowledge about the environment
- 15. using resources to the best of our ability while trying to conserve it
Down
- 1. refers to the ways we obtain and use these materials.
- 2. to the destruction of habitats, which usually results from human activities
- 3. after cutting down an organism or plant, replacing it by planting another one of if
- 4. can occur when water and wind erosion removes topsoil from bare land.
- 6. digging in rocks to find minerals and resources
- 7. occurs when soil particles are squeezed together and the air spaces between the particles are reduced
- 8. is the division of habitats into smaller, isolated fragments
- 9. refers to the ways we use the land around us for urban development, agriculture, industry, mining, and forestry
- 11. is the use or extraction of a resource until it is depleted
- 12. is the introduction of chemicals, toxins, wastes, or micro-organisms into the environment
- 13. a species ceasing to exsist
- 14. expanding cities but destroying ecosystems in the process