Across
- 4. succession that starts from rock
- 5. living, plants, animals, dead things
- 8. breaks down decaying matter
- 10. radiate --> chemical
- 12. energy flow in ecosystems
- 14. top level consumer
- 16. biotic and abiotic factors together
- 17. variety of life
Down
- 1. 10% energy passes from one level to next
- 2. succession that starts from soil
- 3. 100% energy from sun
- 6. never living, water, rocks, air
- 7. heterotroph, eats food
- 9. many of the same species
- 11. different species interacting
- 13. one complete living thing
- 15. where the arrow goes, energy flows