Discover Biology, 5th Edition, Anu Singh-CundyMichaeol Cain, WW Norton & Co., © 2012

Chapter 2, Biological Diversity, Bacteria, and Archaea, pp 25-46. Vocabulary

1 aerobes; 2 anaerobe; 3 antibiotics; 4 Archaea; 5 autotrophs; 6 Bacteria;7bacterial conjugation;

8bacterial culture;9binary fission; 10biodiversity; 11bioremediation; 12 chemoautotroph;

13 chemoheterotroph; 14 clade; 15 class; 16 decomposer; 17 domain; 18 endotoxin; 19 Eukarya;

20 eukaryote; 21 evolutionary tree; 22 exotoxin; 23 extremophile;etc….

1. organisms requiring oxygen gas to survive

2. type of organism that cannot live in an oxygen environment

3. molecules secreted by 1 organism to kill/impair growth of other organisms

4. domain containing single-celled organisms known for living in extremely harsh conditions

5. producers; organisms that make organic molecules themselves

6. domain containing single-celled organisms typically associated with diseases

7. process in which a bacterium may actively trade DNA with another bacterium

8. lab dish containing bacteria growing in specially formulated food

9. form of asexual reproduction in which 1 single organisms produces its own offspring

10. term encompassing all life & their interactions with each other & their environment

11. use of organisms to clean up environmental pollution

12. organisms that use CO2 & energy from chemicals in their environment to make their food

13. organisms that obtain energy & carbon from organic molecules

14. a branch on the evolutionary tree composed of a given ancestor and all its descendants

15. group of closely related orders

16. consumers that extract nutrients from the remains of dead organisms

17. the broadest classification grouping of living organisms

18. component of bacterial wall that triggers illness in human beings

19. domain including all organisms whose cells have membrane-bound organelles; Plants, Animals,

Fungi, & Protists

20. common reference to members of the Eukarya domain

21. branching diagram modeling evolutionary relationships among groups of organisms according to

DNA homology, physical features, &/ or biochemical characteristics

22. a poison that an organism releases into its surrounding

23. Archaeans that thrive in boiling-hot geysers, highly acidic or salinewaters , freezing-cold seas,

volcanic vents, etc…

continued...24 family; 25 fermentation; 26 flagellum; 27 genus; 28 heterotroph; 29 inorganic molecule; 30 kingdom; 31 lateral gene transfer; 32 lineage; 33 Linnaean hierarchy; 34 methanogen; 35 most recent common ancestor; 36 nitrogen fixation; 37 node; 38 nucleus; 39 nutrient recycling; 40 order; 41 organic molecule; 42 pathogen; 43 photoautotroph; 44 photoheterotroph; 45 phylum; 46 pili; 47 plasmid; etc…

24. a group of closely related genera

25. type of metabolism aerobes use in an oxygen-low environment

26. one or more long, whiplike structures for locomotion in bacteria

27. a group of closely related species

28. consumers; organisms depending on other organisms for food

29. molecules that have no more than 1 carbon atom

30. the 2nd-highest level in hierarchical classification

31. transfer of genetic material between different species under natural conditions

32. lines of descent from a common ancestor

33. system of biological classification devised by Carolus Linnaeus

34. Archaeans producing methane gas as a by-product of their metabolism

35. the most immediate ancestor that both lineages have in common

36. process in which bacteria transform N2 (g) into ammonia for plants

37. moment in time when an ancestral group split into 2 separate lineages

38. organelle housing organism’s DNA

39. process by which decomposers return biological materials from waste/ death to the environment

40. a group of closely related families

41. carbon-containing molecules of biological origin

42. organisms that cause disease in other organisms

43. organisms that can make food from the sun’s radiant energy

44. prokaryotes that use light as an energy source but get their carbon from organic molecules

45. a group of closely related classes

46. short hairlike projections covering the surface of some bacteria

47. loops of extra DNA in cytoplasm (mostly in prokaryotes)

continued … 48 prokaryote; 49 quorum sensing; 50 RNA; 51 scientific name; 52 shared derived trait; 53 taxon; 54 taxonomy; 55 tree of life; 56 viral strain; 57 virus

48. informal label for Bacteria & Archaea indicating a lack of membrane-bound organelles in their cells

49. prokaryotic system of cell-to-cell communication enabling cells to sense & respond to their

population density

50. ribonucleic acid

51. unique, 2-word Latin name identifying organism’s genus & species

52. evolutionary novelties shared by an ancestor & its descendants but not in unrelated groups

53. a group of organisms at any of the various levels of classification; a taxonomic group

54. branch of biology dealing with the naming of organisms

55. branched diagram depicting evolutionary history of life from the beginning

56.variant forms of a particular type of virus; serotypes

57.microscopic, noncellular infectious particle comprised of DNA/ RNA & a protein coat