35, The first jaws were derived from which of the following? a. support structur
ID: 215161 • Letter: 3
Question
35, The first jaws were derived from which of the following? a. support structures in the gills h. hard bony plates in the mouth c teeth d ingested vertebrates e amphibian mutants , Sharks, rays, and skates belong to the class a. Aves b. Amphibia. c. Chondrichthyes d. Osteichthyes e Reptilia Most amphibians are completely dependent on an aquatie environmment for figure represents the a respiration. b. feeding c. reproduction. d. respiration and reproduction. e respiration, reproduction, and feceding Which of the following is NOT a feature that is W e figure represents the found exclusively among all vertebrates? a. notochord b pharyngcal gill slits c four legs d. post-snal tail e. dorsal nerve cord H. The notochord is most closely associatod with the a nervous system. b. spinal cord c. skeletal system. d. skin system e muscle system. figure represents the h All EXCEPT which disease is transmited to humans by ticks? a mad cow discase b. Rocky Mountain spotted fever c fonms of encephalitis d. Lyme disease e. scrub typhus d heart ry system ynx as respiratory nchored at the front of the ons EXCEPT "have an I. Which of the following statements is false? a. All vertebrates have a ventral tubular nervous system. life cycle their life cycle stage in their lifc cycle pcared in b. All vertebrates have a tail at some stage in their c. All vertebrates have a notochord at some stage in d. All vertebrates have pharyngeal gill slits at some e. Nose of these are false till present in the humanExplanation / Answer
85) Support structures in the gills
Jaws were derived from the anterior pairs of gill arches
86) Sharks, rays, and skates belong to the class Chondrichthyes
87) Most amphibians are completely dependent on an aquatic environment for reproduction
88) Four legs is not a feature that is exclusively present in all vertebrates because vertebrates include many organisms such as fishes, which does not have four legs
89) The notochord is most closely associated with the Skeletal system
90) Mad cow disease is caused by prions, but not by ticks
91) All vertebrates have a ventral tubular nervous system
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