Across
- 4. Decayed materials and rocks
- 7. Author of Our Plundered Planet
- 9. What damages organisms inside of soil
- 11. Insecticide that was used to stop spruce budworms
- 12. Founder of the Sierra Club and a passionate advocate for wilderness conservation
- 15. A critique of consumerism and “conspicuous consumption” that influenced Carson
Down
- 1. An explorer and marine biologist that wrote about the oceans and diverse ecosystems
- 2. Leopold is often regarded as the father of wildlife ecology and conservation ethics
- 3. What has gotten into almost all of the foods we eat today
- 5. The variety of life on Earth, encompassing all living organisms
- 6. The water beneath the Earth's surface
- 8. What Rachel believes the solution to protect the ecosystem is
- 10. A way to reduce erosion caused by wind
- 13. A way to reduce runoff and erosion
- 14. What pesticides cause that lead to the ecosystem's food chain being disrupted