describe group of animals having pseudocoelom and give an example
Answers
Examples of Pseudocoelomate
1.Rotifers
2. Nematodes
3. Roundworms
A pseudocoelomate is an organism with body cavity that is not derived from the mesoderm, as in a true coelom, or body cavity. A pseudocoelomate is often a small animal, which relies mostly on diffusion to distribute oxygen and nutrients to its cells.
Pseudocoelomates lack a circulatory system, and the pseudocoelom itself lacks the endothelial lining of a coelom.
Hydrostatic pressure provided by the pseudocoelom can give the body the supportive framework which can act as the skeleton. Ex. Roundworms or Nematodes.
The pseudocoelom can be referred as the body cavity filled with fluid and it lies within the external body wall of Nematode which bathes various internal organs.
The internal organs also include reproductive system and the alimentary system.