Across
- 3. parts of the biogeochemical cycle that actively releases or mobilizes an element/compound
- 4. the amount of space an object takes up
- 7. type of energy that is "in motion"
- 10. parts of a biogeochemical cycle that actively retains or absorbs a compound
- 11. method by which plants use sunlight and CO2 to generate energy
- 12. living "factors" in an area
- 13. the amount of matter in an object
- 14. the number of species in an area
- 16. non living objects and factors
Down
- 1. type of gases that include H2O, CO2, O2, and methane that trap outgoing heat
- 2. a type of species that plays a large role in defining an ecosystem and its food web
- 5. all biotic and abiotic elements in a given area and how they interact
- 6. a theory on the natural world based on evidence
- 8. a group that serves as the "standard" for comparison
- 9. the ability to meet humanities current needs without compromising the ability of future generations to do the same
- 15. method of investigation involving observation and theory to test hypothesis