Hard calcium carbonate structures are used as a skeleton by

$5$-Kingdom classification was given by:

$(a)$ Give a difference between lizards and snakes.
$(b)$ Name the type of nutrition in fungi.

The animals having a blood-filled coelomic cavity belong to which phylum?

Classify the following animals into cold-blooded and warm-blooded categories: Rohu,Scoliodon,Flying lizard,King Cobra,Frog,Salamander,Ostrich,Pigeon,Bat,Crocodile,and Whale.

Which of the following is not an Annelid?