The epidermal pits in the middle of each segment of the earthworm contains _____

Morphology is the study of _____

Which of these is a cellular aggregation in frog?

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

Osteocytes are present in spaces called __

Which of these structures attach the testes to the kidneys in male frogs?

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

Where does the urinogenital duct open in the case of frogs?