Across
- 3. A short supply of resources/increase in competition
- 4. stable environment
- 6. variable in experiment that doesn't change
- 11. equal benefits
- 13. no soil,pioneer organisms break down rocks
- 14. win/lose, ex:mosquitos and humans
- 17. Consumers that eat only plants
- 18. win/neutral relationship, ex: barnacles x whales
- 19. nonliving factors in ecosystem
- 21. H2O common name
Down
- 1. Organism in a food chain that represents a feeding step in the passage of energy and materials through an ecosystem
- 2. living influences in ecosystem
- 5. A consumer that eats both plants and animals
- 7. percent of energy taken to the next lvl
- 8. The organic circulation of carbon from the atmosphere into organisms and back again
- 9. The cycle in which nitrogen gas is changed into a compatible form that plants can use
- 10. striped animal
- 12. opposite of dog
- 15. Succession The changes that happen after a disturbance in an ecosystem
- 16. Consumers that eat only animals
- 20. Respiration Process that releases energy by breaking down food molecules with oxygen