What is the main role of setae in earthworm?

Earthworm consists of an open type of circulatory system.

How many digits does the forelimb and hindlimb of frog have respectively?

How many ovarioles are present in a female cockroach?

Which of these is not a function of the sensory system of earthworms?

Frogs show sexual dimorphism. True or false?

Which of the following junctions help to stop substances from leaking against a tissue?

Which of these is not a division of hindgut in cockroach?