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)