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3.  1,000,0001,000,000  500,000500,000  250,000250,000  125,000125,000  64,00064,000  32,00032,000  16,00016,000  8,0008,000  4,0004,000  2,0002,000  1,0001,000  500500  300300  200200  100100

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7.  A. Eukaryotes  C. Archaebacteria & Eubacteria C.  B. Archaebacteria  D. Eubacteria Prokaryotes, initially identified as Monerans are now known as

8. Back to Board C. Archaebacteria & EubacteriaC.

9.  A. Reproduce A. Reproduce  C. Use energy C. Use energy  B. made of cells B. made of cells  D. grow & develop D. grow & develop Viruses share this characteristic of life with organisms.

10. Back to Board A. ReproduceA.

11.  A. vaccinations A. vaccinations  C. sharing drinking C. sharing drinking cups  B. Disinfecting surfaces B. Disinfecting surfaces  D. Washing hands D. Washing hands All of the following are ways to prevent viruses EXCEPT:

12. Back to Board C. s C. sharing drinking cups

13.  A. Protists A. Protists  C. Plants C. Plants  B. Animals B. Animals  D. Fungi D. Fungi These organisms are eukaryotic, may be autotrophs or heterotrophs and are usually unicellular.

14. Back to Board A. Protists

15.  A. antibiotics A. antibiotics  C. weakened or killed C. weakened or killed Bacteria or viruses  B. chemicals from fungi B. chemicals from fungi  D. white blood cells D. white blood cells When you receive a vaccine you are getting

16. Back to Board C. weakened or killed Bacteria or viruses

17.  A. Protists A. Protists  C. Plants C. Plants  B. Animals B. Animals  D. Fungi D. Fungi These organisms are eukaryotic, heterotrophic, usually multicellular and have cell walls

18. Back to Board D. Fungi

19.  A. vestigial structures A. vestigial structures  C. backbone C. backbone  B. vertical segments B. vertical segments  D. head D. head The difference between Vertebrates and invertebrates is the presence of

20. Back to Board C. C. backbone

21.  A. air sacs A. air sacs  C. gills C. gills  B. tracheal tubes B. tracheal tubes  D. lungs D. lungs Fish breathe with

22. Back to Board C. gills

23.  A. animals A. animals  C. mammals C. mammals  B. birds B. birds  D. reptiles D. reptiles Multicellular; eukaryotic; possess hair, whiskers or fur; have milk glands

24. Back to Board C. mammals

25.  A. commensalism A. commensalism  C. predator/prey C. predator/prey  B. mutualism B. mutualism  D. symbiosis D. symbiosis When both organisms benefit from a relationship.

26. Back to Board B. mutualism

27.  A. population A. population  C. ecosystem C. ecosystem  B. community B. community  D. biome D. biome All the species that interact in a particular environment

28. Back to Board B. community

29.  A. predator/prey A. predator/prey  C. parasitism C. parasitism  B. commensalism B. commensalism  D. mutualism D. mutualism Interaction where one organism kills and eats another.

30. Back to Board A. predator/prey

31.  A. producer->herbivore A. producer->herbivore ->carnivore->decomposer  C. producer-> decomposer C. producer-> decomposer ->carnivore-> herbivore  B. producer->carnivore B. producer->carnivore -> herbivore ->decomposer  D. decomposer-> carnivore D. decomposer-> carnivore ->herbivore->producer Correct order of a food chain

32. Back to Board A. A. producer->herbivore ->carnivore->decomposer

33.  A. carbon A. carbon  C. phosphorus C. phosphorus  B. nitrogen B. nitrogen  D. water D. water The ___ cycle includes evaporation, transpiration and precipitation

34. Back to Board  D. water D. water

35.  A. primary succession A. primary succession  C. secondary succession C. secondary succession  B. spontaneous B. spontaneous generation  D. abiogenesis D. abiogenesis When life begins & changes on a newly created island it is

36. A. primary succession

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