Which of the following is not an aquatic animal?

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

How do annelid animals differ from arthropods?

Identify the phylum of kingdom Animalia in which the animal has:
$(a)$ $A$ pseudocoelom
$(b)$ $A$ water-driven tube system
$(c)$ Jointed legs
$(d)$ Pores in the body leading to a canal system
$(e)$ Notochord at some stages of their life.

State whether the following statement is true or false:
The animals belonging to phylum Nematoda contain only tissues and no real organs.

Which among the following have scales?
$(i)$ Amphibians
$(ii)$ Pisces
$(iii)$ Reptiles
$(iv)$ Mammals