Download Ecology Unit 1. Pioneer Species- the first species in an area 2

Ecology Unit
1. Pioneer Species- the first species in an area
2. Predation- the process of preying on other animals
3. Commensalism- relationship where one species benefits and the other is not affected
4. Omnivore- organism that eats both meat (consumers) and plants (producers)
5. Carnivore- organism that eats only consumers or meat
6. Herbivore- organism that eats only producers or plants
7. Adaptations- genetic modifications that make an organism better suited to its environment
8. Species- organisms capable of interbreeding and producing fertile offspring
9. Trophe- to feed or eat
10. Trophic levels- each step in a food chain or web
11. Autotroph- organism capable of making its own food; producer
12. Heterotroph- organism that cannot make it own food; consumer
13. Consumer- organism that gets it energy by eating other organisms; heterotroph
14. Producer- organism that makes it own food; autotroph
15. Decomposer- organism that feeds on dead, organic matter
16. Scavenger- organism that feeds on dead animals
17. Bio- living
18. Biotic- living factors
19. A / an- not or without
20. Abiotic- nonliving factors