The animals posseing the following type of germ layers (A and B) are called __________and_____respectively.

The animals possesing the following of germ layers (A and B) are called ------- and ----------- respectively .

The animals possesing the following of germ layers (A and B) are called ------- and ----------- respectively .

Define the following : Germ layers .

The animals with three germ layers are called ________.

The leaves usually posses one of the following type of sclereds

Name the following : Animal showing three germ layers

The following is a type of animal behavior

Of the following types of animals, all are segmented except: