Across
- 3. an ecosystem can support (8, 8)
- 6. (6)
- 9. of the same species in an area (10)
- 12. life-supporting regions (10)
- 13. to reproduce (7)
- 14. population size (9, 6)
- 15. and eats other animals (9)
- 17. (5)
- 19. animal (7)
Down
- 1. to reproduce together (7)
- 2. around the Earth (10)
- 4. growth causing harm (13)
- 5. species living together (9)
- 7. growth with no limits (14, 8)
- 8. no longer exists (8)
- 10. protected for plants and animals (7)
- 11. amount something can hold (8)
- 16. area with little rain (6)
- 18. particle kinetic energy (11)