The first body segment of the earthworm is the _____

Ventral sclerites are known as tergites and dorsal sclerites are known as sternites.

Which of this is not a distinguishing feature of a male frog?

Which of these is not a function of cloaca in frogs?

Earthworm is an invertebrate.

Which of these statements is true with respect to frog?

The teeth of the gizzard in cockroach is composed of __

Which of these is an external organ in male cockroach?