ECOLOGY VOCABULARY TEST #2

DEFINE and give an EXAMPLE of each vocabulary term:

1. Population – a group of the same species in an area / all the squirrels in a forest

2. Limiting Factor – any biotic or abiotic factor that affects the survival of organisms / available food, water, shelter

3. Biomes – large areas around the world that have similar characteristics like plants, temperature, rainfall / rainforest

4. Secondary Succession – regrowth of an area affected by fire or other natural disasters / La. after Katrina

5. Herbivores – animals that only eat plants / grasshoppers

6. Biology – the study of life / learning about the life cycle of mosquitoes

7. Omnivores – organisms that eat plants and animals / bears

8. Carnivores – organisms that eat meat or other animals / lions

9. Abiotic – non-living / rocks

10. Ecosystem – all the abiotic and biotic factors in an area / a forest

11. Habitat – where an organism live / its home

12. Autotroph – organisms that make their own food using sunlight / rose bush

13. Competition – challenges between organisms for resources like food, water, shelter 2

14. Community – all the different populations in an area / all the white tail deer + all the live oak trees + all the banana spiders in a forest

15. Heterotroph – organisms that must eat/absorb their food crickets

16. Decomposer – organisms that eat and break down dead organisms / maggots

17. Climax Community – a stable stage in ecological growth / a hardwood forest in Ga.

18. Succession – gradual change to an area and its inhabitants / shrubs out competing grasses

19. Parasite – an organism that feeds off other living organisms / tape worm

20. Niche – an organism’s job or role / carnivore

21. Scavenger – an organism that eat dead organisms / buzzard

22. Biotic – living / cat

23. Primary Succession – the first stage an area would undergo to begin creating soil and introducing new organisms / lichens living on rocks

24. Species – organisms that are similar and can successfully interbreed / raccoons

25. Homeostasis – maintaining an internal balance or equilibrium / sweating to cool your body temperature down