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Ichthyophis is also known as

ARay-finned fish

BGilled amphibian

CScaly reptile

DLimbless amphibia

Answer:

D. Limbless amphibia

Read Explanation:

Class – Amphibia:

  • As the name indicates (Gr., Amphi : dual, bios, life), amphibians can live in aquatic as well as terrestrial habitats. 
  • Most of them have two pairs of limbs.
  • Body is divisible into head and trunk. Tail may be present in some.
  • The amphibian skin is moist (without scales).
  • The eyes have eyelids.
  • A tympanum represents the ear.
  • Alimentary canal, urinary and reproductive tracts open into a common chamber called cloaca which opens to the exterior.
  • Respiration is by gills, lungs and through skin. 
  • The heart is three chambered (two auricles and one ventricle).
  • These are cold-blooded animals.
  • Sexes are separate.
  • Fertilisation is external.
  • They are oviparous and development is indirect.


Examples:

  • Bufo (Toad)
  • Rana (Frog)
  • Hyla (Tree frog)
  • Salamandra (Salamander)
  • Ichthyophis (Limbless amphibia)

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