Ulcers can occur throughout digestive tract
What will be an ideal response?
Crohn's disease
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Evolutionarily, the jaws of vertebrates developed from:
A. the circular mouth of lampreys B. the last pharyngeal arch of jawless fishes C. the third pharyngeal arch of jawless fishes D. the operculum E. the claspers
The region of South China emerged as China's core manufacturing region due to all of the following except
A) its harbors and ports. B) the established trade and manufacturing networks of Macau and Hong Kong. C) capital investment from Hong Kong, Taiwan and the Chinese Diaspora. D) its rich energy and natural resources base. E) its harbor and ports and its rich energy and natural resources base.
Four of the five choices listed below are
characteristics of phloem. Select the exception. a. consists only of cell walls b. characterized by channels across plant cell walls c. sieve plates found between some cells d. includes accessory companion cells e. transports sugar
Which of the following statements concerning gymnosperms and angiosperms is FALSE?
a. Both groups are heterosporous. b. In both groups the sporophyte generation is dominant. c. Both groups posses vascular tissues. d. Both groups produce seeds. e. Both groups have free-living gametophytes.