A coelomate organism has a fluid filled body cavity and have a complete lining from the mesoderm. This allows organs to be attached together in a specific order but still have space to move around. Most bilateral organisms are coelomates.
Coelomates are animals that have body cavities with complete linings, filled with fluid, that maintain the juxtaposition of the internal organs. All vertebrates, and most bilateral animals are...
Yes, earthworms are coelomates because they have the "tube within a tube" body plan that characterises coelomates. More specifically, coelomates have a body cavity that is completely lined with cells...
All coelomates are triploblastic. However, not all triploblastic organisms are coelomates. Triploblastic simply means an organism contains all three germ layers of tissue (endoderm, mesoderm,...