Across
- 3. when a species has no more living members(Hint-this happened to the dinosaurs)
- 4. the natural home or environment of an animal, plant or other organism
- 6. a professor of research writing and humanities at SUNY ESF
- 7. Lakes, a series of interconnect freshwater lakes found in parts of the United Staes and Canada(Hint-they are some of the largest freshwater lakes in the world!)
- 8. worldwide sum of the all the ecosystems found on Earth(Hint-The Earth)
- 9. the variety of life on Earth
- 10. process over time that organisms have developed from earlier forms of life(Hint-first proposed by Charles Darwin)
- 12. a series of mountains in upstate New York(Hint-they are the largest in New York State)
Down
- 1. living things that are still in existence, surviving
- 2. a species of animal that is at the risk of extinction(Hint- Polar Bears, Giant Pandas, Blue Whales are all in this category)
- 5. is the science of protecting and preserving ecosystems that humans have negatively impacted
- 11. a community of both living organisms and the physical environment, and how they interact with each other