Basic Concept of Invertebrate Zoology Knowledge

Modification of Polyp :- (1) Gastro zooids/ Tropho zooids/ Nutritive zooids :-  (i) Cylindrical with large mouth and a tentac...

Description :- In Echinoderms the development may be direct or indirect. In direct development is no larva. Direct development is ...

Importance :- (i) Echinoderm Larva v/s Origin of Chordate :- It is an establishment fact that Echinoderm is very near to Chorda...

Introduction :- Larva is the sexually immature, pre-adult, free living, stage of development, developing indirectly by metamorphosi...

The following are the different types of zooids in polymorphic colonies. (A) Medusoid Forms :- (i) Pneumatophore :- It is med...