Question

Why is the true coelom considered as secondary body cavity?

Answer 1

Coelomate body plan. A coelom is acavity lined by an epithelium derived from mesoderm. Organs formed inside a coelom can freely move, grow, and develop independently of the body wall while fluid cushions and protects them from shocks. Arthropods and mollusks have a reduced (but still true) coelom

Answer 2

⭐ SECONDARY BODY CAVITY

• True coelom of eucoelomates is called secondary body cavity , because it is formed by the replacement of primary body cavity, the blastocoel.