Ecology Vocabulary 2

1. Web a complicated, interconnected group of food chains
4. Chain the path of energy through the trophic levels of an ecosystem
6. organisms that consume producers for food (animals).
7. the physical, or non-living aspects of a habitat.
8. major biological community that occurs over a large area of land
11. the many different species that live together in a habitat
12. one organism feeds on and usually lives on or in another, does not usually kill the host (ticks)
14. a community and all of the physical aspects of its habitat (soil, air, water, weather).
16. the dry weight of tissue and other organic matter found in a specific ecosystem
19. number of species living within an ecosystem
21. organisms that first capture energy and that make their own food (plants).
22. one species benefits and the other is neither harmed nor helped
23. third trophic level, animals that eat herbivores

2. both herbivores and carnivores
3. the living organisms of a habitat.
5. the act of one organism feeding on another
9. a symbiotic relationship in which both species benefit (ants and aphids)
10. Study of interactions of living organisms with one another and with their physical environment.
13. place where a particular population of a species lives
15. two or more species live together in a close, long-term association
17. Organisms that consume producers for food, consumers
18. second trophic level, animals that eat plants or other primary producer
20. Organisms that make their own food, producers