Basic Concept of Invertebrate Zoology Knowledge

A true coelom is lined on all sides by mesoderm which gives rise to muscles that surround the gut aas well as underlying the body wall. Th...

Pseudocoelom :- In some protostomes, the embryonic blastocoele persists as a body cavity. These protostomes have a fluid filled main...

Introduction :-  A coelom is a fluid-filled body cavity found in most animals which is located in the mesoderm, derived from the splan...

Spherical  Symmetry :- Spherical symmetry is also called Homaxial apolar symmetry. Spherically symmetrical forms are best suited for...

Animal  Organization :- The evolution of tissues is the first key transition in the animal body plan. Eumetazoans exhibit higher lev...