In frogs, chyme is passed to the __

The body wall of an earthworm is made up of how many muscle layers?

Which of these structures do not help in excretion in cockroaches?

By the use of which of the following structures, frogs capture food?

How many segments is the abdomen of a cockroach divided into?

The head of the cockroach is flexible due to a flexible neck. True or false?

Where are the calciferous glands of the earthworm present?

Frogs are __