Biology vocabulary

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

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