Across
- 2. this is a biotic factor (example: bacteria)
- 6. non-living physical factors
- 8. 1 of the 3 major parts of the water cycle
- 10. biotic factor (protozoan,algae)
Down
- 1. nutrient availability is a large function
- 3. different organisms that make up a community
- 4. dissolved oxygen is part of this compound
- 5. characteristics are humidity and temperature
- 7. living organisms
- 9. natural unit made of biotic and abiotic factors