1. Krug et al., Signature of the End-Cretaceous Mass Extinction in the Modern Biota, Science citation, passage=Although the broad macroevolutionary consequences of mass extinctions are well known (as in the dinosaurs-mammals changeover), their long-term effects on the temporal and spatial

2. Scientists then began searching the layers of rocks delineate mass extinctions.

3. This phenomenon may also explain some of our anomalous fossil distributions and extinctions.

4. That is not to say there will be no extinctions in a tightly wrapped ecosystem.

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6. Are whales doomed to extinction?

7. Global de-evolution, extinction events.

8. Hundreds of tree species face extinction.

9. Many species are doomed to extinction.

10. Many endangered species now face extinction.

11. They were hunted almost to extinction .

12. The Brethren know they face extinction.

13. De-extinction falls in that category.

14. This metal caused the great extinction.

15. The species was doomed to extinction.

16. Many species are now threatened with extinction.

17. Ecosystems had recovered from the Permian extinction.

18. That was Bourne and Resident Evil: Extinction.

19. Pandas are on the margin of extinction.

20. I'm saving his entire species from extinction.

21. 7 The species was doomed to extinction.

22. 5 Many species are doomed to extinction.

23. However, "The current amphibian extinction rate may range from 25,039 to 45,474 times the background extinction rate for amphibians."

24. With Bullbaiting obsolete, the Bulldog faced extinction

25. This is also connected to the extinction crisis.

26. The creature is on the threshold of extinction.

27. The condor was in grave danger of extinction.

28. These toxic materials are washed down rivers into lakes and oceans, contributing to freshwater and marine extinctions.

29. Many wild plants are under threat of extinction.

30. Out of 329 parrot species, 30 face extinction.

31. The breed was on the verge of extinction.

32. Without God’s favor, however, we face eternal extinction.

33. The centuries-old ritual seems headed for extinction.

34. Their traditional way of life seems doomed to extinction.

35. That Africa, the center of human evolution, experienced fewer extinctions than other regions supported the idea of Coevolution …

36. Some are actually on the brink of extinction.

37. Will technology in music drive creativity to extinction?

38. The plant is now in danger of extinction.

39. 28 But they did not connect their ideas to the much earlier extinctions recorded in sedimentary rocks.

40. (c) a K270 extinction coefficient not higher than 1,0;

41. The Scarlet Macaw is in imminent danger of extinction.

42. The big cat has been hunted to near extinction.

43. The island's way of life is doomed to extinction.

44. 2 The centuries-old ritual seems headed for extinction.

45. These animals are now on the verge of extinction.

46. Conservationists are trying to save the whale from extinction .

47. And the human impact on the global environment -- greenhouse warming, mass extinctions and so forth -- is unprecedented, too.

48. They did not have Brachiums which meant there was nothing supporting the lophophore, meaning the order could survive many extinctions

49. Faced with extinction... this could be humanity's last great hope.

50. Once very common, Chinchillas were hunted almost to extinction

51. 3 The plant is now in danger of extinction.

52. The howlers were skirting the scary precipice of extinction.

53. The albatross - legendary protector of seafarers - is heading for extinction.

54. 7 The howlers were skirting the scary precipice of extinction.

55. Environmentalists are campaigning to save the white rhinoceros from extinction.

56. It is generally accepted that there have been five major global mass extinctions that register in Earth's history.

57. But germ lines can deteriorate and cause extinction of lineages.

58. They have driven the rhino to the edge of extinction.

59. What recent reports say: “Human activities have taken the planet to the edge of a massive wave of species extinctions.”

60. And the system faces global maritime extinction by February 19

61. The cause of this rapid acceleration in the rate of extinctions is human activity.”—The New York Public Library Desk Reference.

62. It is also known as optical density, extinction, or decadic Absorbance

63. Manny, brink of extinction' s a bad time to be picky

64. 23 That era, however, was allegedly on the brink of extinction.

65. How do species that colonize vents cheat the inevitable local extinction?

66. Love in the stability of extinction, in the sublimation of anxiety.

67. 26 Conservationists are trying to save the whale from extinction .

68. I had to save the last duck-billed platypuses from extinction.

69. Here was he, young, Abounding in life, ready to risk extinction

70. Body size and disparity in crocodile-line Archosaurs show changes associated with major events in Earth’s history, notably mass extinctions

71. The society was set up to preserve endangered species from extinction.

72. Brachiopods suffered greatly from the Permian extinction and continued to decline thereafter

73. It is the only Belgian bantam breed not threatened with extinction.

74. He had settled to his safety and accepted perforce his extinction.

75. 30 percent of reptiles, birds, and fish are currently threatened with extinction.

76. She's found that extinctions of big ice age animals – creatures like mastodons – happened about 000 years before this brief cooling period.

77. Chinese people do not subjugated, but it faces the danger of extinction.

78. Similar comments apply for extinction due to the droplet size becoming insufficient.

79. Large numbers of rare and beautiful Alpine plants are threatened with extinction.

80. Vertical profiles of aerosol properties, such as aerosol extinction, can also be obtained.