1. Dinosaurs have been extinct for millions of years.

2. Many animals and birds are now extinct.

3. The species was presumed extinct.

4. It is 250 years since the wolf became extinct in Britain.

5. The mammoth is extinct.

6. Is there anything could rekindle his extinct passion?

7. Pandas could become extinct in the wild.

8. Its tallest volcano, long extinct, is Olympus Mons.

9. Nothing could rekindle her extinct passion.

10. Servants are now almost extinct in modern society.

11. Some of the species of birds are extinct.

12. Many plants become extinct before they have even been catalogued.

13. These birds are in danger of becoming extinct as their forest home disappears.

14. The red squirrel is in danger of becoming extinct in England.

15. The idea of cloning extinct life forms still belongs to science fiction.

16. Extinct volcanoes are those that have not erupted in historic times.

17. A lot of trades have become extinct because of the development of technology.

17.

18. All hopes were extinct.

19. Herbalism had become an all but extinct skill in the Western world.

20. Many tribes became extinct when they came into contact with Western illnesses.

21. The extinct volcano's eruption would mean a cataclysm for the city.

22. Scientists are attempting to compare features of extinct animals with living analogues.

23. Some species of animals have become extinct because they could not adapt to a changing environment.

24. The red squirrel has become virtually extinct in most of the country.

25. These rocks contain the fossilised remains of extinct animals.

26. There is concern that the giant panda will soon become extinct.

27. If we continue to destroy the countryside many more animals will become extinct.

28. The numbers of these animals have been falling steadily and they are now almost extinct.

29. The discovery of the dinosaur skeleton has cast light on why they became extinct.

30. Scientists think it unlikely that any species will actually become extinct as a consequence of the oil spill.

1. Dinosaurs have been extinct for millions of years.

2. The species was presumed extinct.

3. There is concern that the giant panda will soon become extinct.

4. It is 250 years since the wolf became extinct in Britain.

5. The mammoth is extinct.

6. Is there anything could rekindle his extinct passion?

7. Nothing could rekindle her extinct passion.

8. All hopes were extinct.

9. The extinct volcano's eruption would mean a cataclysm for the city.

31. The eagle had become extinct in Britain in 1916.

32. Some aquatic plants and animal species have become extinct.

33. The California condor was declared extinct in 1987.

34. The tiger, the dingo is almost extinct.

35. These gigantic creatures became extinct in the Jurassic period.

36. We are, I fear, in danger of becoming extinct.

37. The valley contains fossils of many extinct species.

38. Dinosaurs became extinct millions of years ago.

39. The white rhino is now almost extinct.

40. Their union, in 1664, had only produced one daughter before he was killed; the earldom became extinct.

41. Even mightier in the background is the extinct volcano of Arthur's Seat.

42. The most chilling exhibit space is a room that holds species that are extinct or endangered.

43. But we think that because of the recent troubles there it may now be extinct in the wild.

44. The black footed ferret is now extinct in the wild due to canine distemper virus, probably introduced by domestic dogs.

45. And what price do you place on the species made extinct in the rainforest?

46. These wonders are happening because a breed of lawmakers thought to be almost extinct has been reasserting itself.

47. Back in the 1950s Jim Corbett gave the tiger ten years before it became extinct.

48. Some of the strategies started going extinct from the start,(/extinct.html) and most were extinct by generation 200.

49. There are several theories as to why the dinosaurs become extinct?

50. The yard was a desert of flint chips and rolling stock that was almost extinct.

51. It was last seen in the I600s, around the time the dodo had gone extinct.

52. By rights, the Hammond B-3 ought to have been rendered extinct by now, the victim of smaller and cheaper synthesizers.

53. There is also considerable scope for informed speculation about the feeding mechanisms among the extinct agnathans.

54. It had Breton blood but, like the Breton, was heavily crossed with the Friesian and became extinct by the 1960s.

55. Many birds, small mammals and fish have become extinct or are seriously threatened.

56. If extinction is repeated, the behavior will eventually disappear or become extinct.

57. The Montgomeryshire breed survived as isolated individuals in 1919 but it, too, has become extinct.

58. His father had abandoned the family when Che was seven or eight-fathers often seemed to be an extinct species at City College.

59. Both are about modern paleontologists who encounter groups of hominids thought extinct for eons.

60. Inevitably many marine creatures became extinct when their habitats were literally squeezed out of existence.

61. A fifth of all freshwater fish are either extinct or endangered.

62. They really are extinct, but managed to compete successfully with the bivalves for a considerable time.

63. By the turn of this century the barrens were almost extinct, and the list of their constituent species hardly recorded.

64. Once extinct this wonderful animal will be gone for ever.

65. Much of the software currently in use is based upon virtually extinct programming languages that hardly anyone understands any more.

66. Should governments be free to ban imports of things they fear will become extinct?

67. He played an almost extinct worm crawling through dead leaves.

68. Sure, but like any evolutionary challenge, it will separate the survivors from the extinct.

69. This is because where selfishness brings higher rewards than altruism, selfish individuals leave more descendants, so altruists inevitably become extinct.

70. At school they had once heard of some animal which had become extinct because of its huge flat feet.

71. Nearly half of these species appear nowhere else on the planet and would become extinct unless the Andes hot spot was saved.

72. Archaeological analyses say as much about the interpreters as about the extinct cultures.

73. We have no way of knowing whether any other animals now extinct - pterodactyls perhaps? - also evolved the technology independently.

74. It is estimated that over 30 species have become extinct while waiting for a listing.

75. Can we comfort ourselves with a freezer full of cells as species disappear and the wild itself becomes extinct?

76. I sat on a log among the shadows of creatures now extinct and others long since departed for pasture in the south.

77. It helps publishers' bottom lines, too, that head-to-head competition among papers is virtually extinct.http://

78. The first is to have the carbonaceous meteorites derive directly from low-speed near-Earth asteroids that are extinct comet cores.

79. Marriage and the family as we have known them are becoming extinct.

80. For these reasons, if for no others, quangos seem unlikely to become extinct.

81. Nigel Chaffrey, London How do scientists verify that former volcanoes really are extinct? How often have they been wrong?

82. A wide range of other volatile materials is also present in all extinct comet cores and C asteroids.

83. But there was no laughter, and he had to remember that Browning Societies had been extinct for a long time.

84. The blue-rinsed dame and the bottle-nosed blimp are extinct species here.

85. She says: It would be a tragedy if the dormouse became extinct.

86. Eventually the rarer genes will disappear and the genetic types leaving fewer offspring will become extinct.

87. By 1830 the breed was almost extinct and by 1907 the situation was critical.

88. Undiscovered until 1918, it was thought extinct after the 1937 hurricane submerged its coastal savannas, but it has subsequently reappeared.

89. If the moth were to become extinct, the yuccas would never set seed.

90. The line is now extinct but at the time we arrived they had lived in the castle for some five hundred years.

91. The adonis blue and silver-skipper butterflies are all but extinct.

92. As a result, the otter, barn owl and red squirrel are now virtually extinct in many parts of the country.

93. Cuvier noticed that the most recently extinct creatures such as the mammoth were closely related to living species.

94. For many years they were known only from fossil representatives and were believed to be extinct.

95. If nothing is done to save the whales now, the species will soon become extinct.

96. Its fans hung stalled above them like the wheels of an extinct machine.

97. Of the thousands of computer viruses cataloged by virus hunters so far, not one species of them has gone extinct.

98. The island is actually the summit of a huge, extinct volcano.

99. All that remains of Champa today are its magnificent stone sculptures, silent testimony to an extinct society.

100. Then, as the softies were driven extinct, Harrington followed them, having no easy prey left.

101. The other half of the NEOs are extinct comet nuclei.

102. Those that became extinct were replaced by better adapted ones.

103. There was none after 1969, and the colony is now extinct.

104. Why are there different combinations of extinct species in each layer of rock?

105. These extinct fishes were unlike their modern counterparts in possessing a dermal skeleton of minute scales and/or bony plates.

106. All of them were marine and all of them are extinct.

107. Or, in a real tragedy, a key scaffold species may be globally extinct.

107. Wish you can benefit from our online sentence dictionary and make progress every day!

108. Many tropical islands once had their own species, but most of these are now extinct.

109. Any species-any country-that fails to adapt will join the pantheon of the extinct.

110. Now it is probably extinct as a breeding bird in Shetland, and its place has been taken by the reed bunting.

111. And he used the extinct volcano as a footstool.

112. Small wonder that Greek mythology is extinct.

113. The Great Auk is an extinct bird.

114. The extinct exotic bird's feather contains zinc.

115. Then Hades will become extinct forever.

116. Trapped inside was an extinct breed of stingless bee.

117. Certain extinct cephalopods have an unusual coiling shape.

118. Mr Charrington, thought Winston, was another extinct animal.

119. This huge dish of overpriced stodge should be extinct.

120. African Wild Ginger, for example, is now reportedly extinct in the wild.

121. Cryptozoologists are especially proud of the catch in 1938 of a coelacanth, an archaic-looking species of fish that had been thought to have gone extinct in the Cretaceous.

122. Tianyang Maar Lake is an extinct ancient maar lake, and located in the southeast of the Leizhou Peninsula.

123. The horse was re-introduced to America (as original paleo-American populations of wild horses from the Bering land bridge were extinct) and quickly adapted to free range on the sprawling great plains.

124. The researchers also made what they say are the first sequences of nuclear DNA from the extinct American mastodon.

125. The determined creature inside pecks its way out of the shell, and suddenly a velociraptor is born — more than 70 million years after its species was supposed to have become extinct.

126. Caste system has been extinct in the country, re-emergence of such a miserable state of the prehistoric culture is incredible, it is outrageous!

127. Palaeontologist Richard Owen told him the fossils he had found were of extinct relatives of South American animals living today.

128. Ambystoma mexicanum is almost extinct in Mexico due to diminishing habitats and human hunting - they are regarded as a delicacy in much the way the French like frogs legs.

129. In China, conservation efforts have already failed to protect the Yangtze River dolphin, the first large aquatic mammal to go extinct since the Caribbean monk seal in the 1950s.

130. Among the critically endangered species are the western lowland gorilla and the bactrian camel. The golden-headed lion tamarin is listed as endangered and the socorro dove is extinct in the wild.

131. Clad organizes a tree of biological species, allowing the user to add scientific and popular names, origin, distribution, apomorphies and other information such as pictures or if the clade is extinct.

132. Many primitive lineages went extinct as sharks and bony fish became masters of the waters and tetrapods, the four-legged animals that eventually evolved into dinosaurs and mammals, conquered the land.

133. The ivory-billed woodpecker, long thought to be extinct, turned out not to be.

134. A large extinct European deer of the genus Megaceros of the Pliocene Epoch and the Pleistocene Epoch, having very large palmate antlers.

135. Any of various small, mostly tailless, extinct flying reptiles of the order Pterosauria that existed during the Jurassic and Cretaceous periods.

136. All hope was extinct.

137. In the Northwest United States,(http:///extinct.html) however grey wolf is almost extinct a population of perhaps 30.

138. He was one of a class rapidly becoming extinct in Wessex.

139. The collection includes natural history from penguins to the extinct giant moa, fish, birds, and insects.

140. Three of the eight subspecies of tiger - the Bali, Caspian and Javan tigers are extinct.

141. There are 11 subspecies of Rangifer tarandus in the word and 9 exist, 2 extinct.

142. What was once considered to be an extinct species, the Tasman booby (Sula tasmani), turns out be a subspecies of a living species, the masked booby (Sula dactylatra fullagari).

143. It is demonstrated that a flashing jet is worn away into a cone shape and the jet extinct length decreases with the increasing of pressure decay ratio of injection pressure to backpressure.

144. It now has scientists thinking the extinct flying reptile had a wingspan of up to seven metres, two or three metres bigger than previously thought.

145. An entire species of animal or plant life goes extinct every 20 minutes.

146. The interaction of the climate in the last century, the ecology charactor of Tsuga tchekiangensis itself, and the outside disturbance were the main factors which caused the plantation extinct sharply.

147. If Borneo's forests are cleared for oil palm plantations then the endangered orangutan may become the first Great Ape to go extinct at the hands of humans.

148. This report is from David Cook of our Science Unit: "Why did the dinosaurs become extinct?".

149. Conodonts went extinct at the end of the Triassic Period, about the time dinosaurs were evolving.

150. Whether it is a native cat, previously thought extinct, or an escaped exotic pet, the Beast of Bodmin is a creature that refuses to disappear.

151. Not since the time of the sabertooth has a feline species gone extinct. Earth's most endangered cat could be next.

152. Although the bivalve lineages Dr Jablonski studied spread out from the equator in waves, they did not become extinct in the wake of these waves.

153. Scientists believe the numbers of Adelie penguins may have fallen by as much as 20% and if the downpours continue, the species will be extinct within 10 years.

154. Savannah and forest elephants have been separated for at least three million years, they say, and are as distinct from each other as Asian elephants are from the extinct woolly mammoth.

155. The US Fish and Wildlife Service declared the eastern cougar officially extinct Wednesday, even though the big cat is believed to have first disappeared in the 1930s.

156. When people should be aware of extinct thylacine , the protection of the park began last a thylacine , it thylacine only 48 days before the final days.

157. Auckland plans on filling one of its many extinct volcanoes with sewage.

158. The inaction, combined with less nutritious food, could eventually cause mountain gorillas and African colobines—a large group of species including colobus monkeys—to go extinct, the study predicts.

159. Today, the otter is extinct in Belgium, Holland and Switzerland.

160. I am sorry to say that there is too much point to the wisecrack that life is extinct on other planets because their scientist were more advanced than ours.

161. He instantly identified it as a coelacanth, a species believed extinct for 60 million years.

162. And though it has only recently been discovered, Gentile says conservation measures are needed to prevent the pink iguana from going extinct.

163. These ancient creatures are predominantly extinct ancestors of today's cockroaches, ants, termites , caddis flies, centipedes, crickets, scorpions and millipedes.

164. Australopithecus, Cro-Magnon, Neanderthal are to name but three extinct species.

165. Gothic is an extinct Germanic language that was spoken by the Goths.

166. One extinct hamster of Cricetus , for example, lived in North Africa during the Middle Miocene, but the only extant member of that genus is the common hamster of Eurasia.

167. The Geminids are caused by the Earth crossing the debris-strewn path of the extinct comet 3200 Phaethon.

168. There are even Arabian oryx, the twin-horned antelope that had become extinct in the wild, but which have been reintroduced in various sanctuaries in the Gulf region(sentence dictionary), including Hawar.

169. The use of DDT caused the peregrine falcon to become extinct throughout much of its normal range throughout the Eastern United States.

170. That's probably why my wife got a mor productive boyfriend while I became "extinct" to her.

171. In addition, the banded mining bee, the brilliant moon beetle and the lichen, Opegrapha paraxanthodes, have also been posted missing, presumed extinct.

172. Bong - 1 . An almost extinct species of extra wide pitons.

173. Until more evidence is found, there or elsewhere, it is not clear whether Ardi is Lucy's "mother" or a maiden aunt who went extinct without issue.

174. Some even argued that Neanderthals didn't go extinct at all, but interbred with H. sapiens.

175. The two went on to describe and publish the first findings about Neandertals, launching the field of paleoanthropology—and our enduring fascination with this extinct human relative.

176. River dolphin that scientists have been searching for and have been unable to locate any of the species, they now believe it is extinct.

177. Any of various extinct ungulate mammals of the Eocene to Pleistocene epochs, having distinctive three-clawed, three-toed feet.

178. An animal species becomes extinct when it fails to produce enough young in each generation to keep pace with the death-rate.

179. Oskamand Bunce successfully isolated mitochondrial DNA from the eggshells ofseveral extinct megafauna, including the giant moa of New Zealand and a19,000-year-old emu from Australia.

180. Scientists say they have reconstructed around half of the genome of the woolly mammoth, a species that became extinct at the end of the last Ice Age some 11,000 years ago.

181. The lantern in the Cul-de-Sac Genrot was thus naturally extinct, like the rest; and one could pass directly under it without even noticing that it was no longer in its place.

182. She was the last living Pyrenean ibex, a subspecies of wild mountain goat, which thereupon became extinct.

183. Imbalance will occur in a Dao field of unity of oppositeness , and if it is severe, the mechanism of the Dao field will collapse and become extinct.

184. Big extinct birds such as the giant moa,thunderbirds and elephant birds all left eggshells behind them.

185. I will find a technology that has gone extinct, some bronze helmet, or chariot part or quill pen, something that definitely isn't being made anymore anywhere.

186. In Leuven, Belgium, scientists are scouring the world for banana samples and cryo-preserving their shoots in liquid nitrogen before they become extinct.

187. Prehistoric men of Europe hunted (2) and ate a large, long-horned wild ox called an aurochs, which became extinct 350 years ago.

188. It includes primates such as the extinct giant ape Gigantopithecus, as well as the ancestors of the living orangutan (Pongo) and gibbon (Hylobates).

189. Although the original species becomes extinct , its genes are carried by the new group.

190. The giant panda is an endangered species , ie is in danger of becoming extinct.

191. This dependency between fossil and living types is well illustrated when we deal with extinct groups.

191. is a online sentence dictionary, on which you can find good sentences for a large number of words.

192. A very large vulture (Gymnogyps californianus), related to the condor of South America, found in the southern California mountains and nearly extinct.

193. Related to the pearly nautilus, these spiral-shelled marine creatures went extinct along with the dinosaurs around 65 million years ago.

194. The US Fish and Wildlife Service concluded in a report issued recently that the eastern cougar is extinct, the Guangzhou Daily reported.

195. In the Northwest United States, however, the grey wolf is almost extinct, with a population of perhaps 30.

196. The fossil consists of a complete skull of an archaeocyte, an extinct group of ancestors of modern cetaceans.

197. The Bennettitales are a group of extinct seed plants that are similar to the cycads in both size and leaf morphology that existed from the Triassic to the early Cretaceous.

198. And that, says Strait, suggests that simplistic ideas about australopithecine diets, based on tooth and jaw size, and why they went extinct, need to be reevaluated.

199. Large bear sized extinct edentate mammal of the Pleistocene in South America .

200. If the current trend continues, black farmers in the United States may be extinct by the end of this decade.

201. Hesperornis is an extinct genus of flightless aquatic birds that lived during the Late Cretaceous.

202. Red Data Book List of threatened and extinct species for a given country.

203. Pask told AFP in a telephone interview that while recreating extinct animals might be possible one day, it could not be done with the technique his team used on the Tasmanian tiger.

204. People have proposed all sorts of hypotheses to explain why dinosaurs have become extinct.