Across
- 4. organism who is harmed from parasitism
- 5. occurs when a land has formerly been disturbed
- 7. the first species who colonize a non disturbed land
- 9. organism that eats a different type of organism
- 10. symbiotic relationship where one organism benefits and the other is not affected
- 11. an organisms position in a food chain or web
- 12. symbiotic relationship where both organisms benefit
- 13. symbiotic relationship where one organism benefits and the other is harmed
- 14. competition between members of the same species
- 19. a relationship where one organism eats a different type of organism
- 20. the whole mass of that certain organism at a trophic level
Down
- 1. a single pathway where energy and matter travel through an ecosystem
- 2. competition between members of two different species
- 3. organism who benefits from parasitism
- 6. when competing species get different adaptations
- 8. an organism that plays a very important role in its community
- 15. the numbers and different types of species that live in a community change through time
- 16. multiple pathways where energy and matter travel through an ecosystem
- 17. final stable stage
- 18. occurs when a land has never been colonized
- 19. organism that is eaten by a different type of organism