Question

Write a brief note on coelom and its types with neat labelled diagrams.

Answer 1

Coelom:
It is a fluid-filled body cavity. It separates the digestive tract from the body wall.

• A true body cavity or coelom is one that is located within the mesoderm. Based on the nature of the coelom, animals are divided into 3 groups.

a)Coelomates or Eucoelomates have a true coelom e.g Earthworm, Frog.
b)Pseudocoelomates have a false body cavity
e.g Roundworm.
c)Acoelomates do not have a body cavity
e.g Tapeworm.