Based on the information, we would conclude A nematode.
What is called pseudocoelom ?
- The term "pseudocoelom" (sometimes called "paracoelom") refers to the hollow filled with fluid that is situated between the external wall and the digestive system.
- Both mesentaries and peritoneum are absent from it. It appears that the pseudocoelom is a persistent blastocoel.
- The several body forms found in triploblastic animals. The pseudocoelom is a persistent blastocoel that does not attach to the body wall or the stomach. Similar to the pseudocoelom, the acoelom has a hollow filled with parenchyma.
- The Eucoelom (coelomate condition) has a body cavity that develops secondarily during development, along with mesenteries that connect all of the organs in the coelom and an internal cell layer known as the peritoneum.
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