read again and choose from the sentences a-f the one which fita each gap (1-5).there is one extra sentence.
1)jack horner a world famous paleontologist at montana state university disagrees.
2)jack and his team must have been amazed because it suggested that dna lasts a lot longer than originally believed.
3)most scientists believe that birds are distant relatives of certain types of dinosaur and have some dormant dna form ancersors
4)scientists are fascinated by the idea of reviving dinosaurs.
5) jack says there is now nothing to stop us bringing back dinosaurs but ourselves.
a)it was dinosaur blood vessels 68 million years old.
b)he thinks that would be the best lecture he could ever give.
c)most scientists believe that it can survive 1 years at the most.
d)this may not seem so impressive but a series of alterations could result in a completely new kind of dinosaur.
e)ignoring what the others said he carried on with his research.
f)for this reason he is also looking at other ways to revive dinosaurs