One hypothesis says that an extinct group called __________ are believed to have been the ancestors of ancient amphibians.
A) chondrichthians
B) lepidostians
C) holosteans
D) chondrosteans
E) osteolepiforms
Correct Answer:
Verified
Q1: Sharks,skates,and rays are in the class
A)Osteichthyes.
B)Chondrichthyes.
C)Cephalaspidomorphi.
D)Myxini.
E)Actinopterygii.
Q3: Lungfishes belong to the class
A)Elasmobranchii.
B)Holocephali.
C)Myxini.
D)Sarcopterygii.
E)Cephalaspidomorphi.
Q4: Hagfishes belong to the class
A)Cephalaspidomorphi.
B)Dipneusti.
C)Holocephali.
D)Myxini.
E)Elasmobranchii.
Q5: Members of the class _ are sometimes
Q6: Sharks arose from early jawed fishes midway
Q7: Which of the following is not a
Q8: Flow of water over fish gills maintains
Q9: Which class contains the lampreys?
A)Sarcopterygii
B)Actinopterygii
C)Petromyzontida
D)Hyperotreti
E)Chondrichthyes
Q10: The lobe finned fishes,such as coelacanths,are found
Q11: In lungfishes and Indian climbing perch,_ function
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