Across
- 4. description of what happens in nature repeatedly, without known exception (e.g. gravity)
- 6. a large region of similar climatic conditions, with communities of plants, animals, and soil organisms
- 7. natural ________ = natural resources + natural services
- 10. an educated guess, testable
- 13. the environmental science focusing on relationships between organisms and their environment
- 14. the process of scientists critically examining and testing each other's research and hypotheses
Down
- 1. The most recent “ice age” is called the __________________Epoch.
- 2. the addition of more waste to a resource than it can accommodate
- 3. something useful that occurs naturally
- 5. the circulation of chemicals necessary for life; from the environment through organisms, back to the environment
- 8. Which of the three scientific Principles of Sustainability refers to the variety of life in the world (or in an ecosystem).
- 9. a well-tested hypothesis, accepted by most scientists
- 11. A grassland biome with scattered trees. Giraffes and lions roam the African ___________.
- 12. community of species interacting with each other, as well as the chemical and physical aspects of their environment