Match the Vertebrate Class with Feature

Column I (Class)	Column II (Feature)
A. Pisces	1. Pneumatic bones
B. Amphibia	2. Operculum
C. Aves	3. Moist skin
D. Mammalia	4. Mammary glands

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#Question id: 39044

#Life Sciences

 Flame cells are characteristic excretory structures of:

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#Question id: 39050

#Zoology

 Which of the following fishes lacks a swim bladder?

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#Question id: 39050

#Life Sciences

 Which of the following fishes lacks a swim bladder?

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#Question id: 39060

#Zoology

 The notochord is replaced by vertebral column in:

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#Question id: 39060

#Life Sciences

 The notochord is replaced by vertebral column in:

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#Question id: 39063

#Zoology

Which invertebrate phylum shows radial symmetry and diploblastic organization?