Question

Match the columns I, II and III and choose the correct combination from the options given.
$\begin{array}{cccc}& \text{Column I}& \text{Column II}& \text{Column III}\\ a& \text{Earthworm}& \text{Annelida}& \text{Superclass}\\ b& \text{Frog}& \text{Rana}& \text{Species}\\ c& \text{Lancelet}& \text{Vertebrata}& \text{Division}\\ d& \text{Walrus}& \text{Mammalia}& \text{Class}\end{array}$

Answer 1

Walrus - Mammalia - Class

• Walrus (Odobenus rosmarus) are large marine animals classified under the class Mammalia of superclass Tetrapoda.
• Hence, the combination given in option (d) is correct.

Final answer
d. Walrus - Mammalia - Class