Molluscs are acoelomate; they have no body cavities.
No, mollusks have a true coelom instead of a pseudocoelom. The coelom is a part of mollusks and annelids that is a cavity within the mesoderm that is filled with fluid.
Yes, phylum Arthropoda is classified as coelomate along with about half of all known phyla, including molluscs, annelids, and chordates.
Some chordates have them, and in some the distinction may need to be qualified. In molluscs they remain undifferentiated, in mammals for example they differentiate into separate cavities, the pleural, peritoneal and pericardial.
Coelom. It is partitioned by septa, which is a divider between segments of the worm.
Frogs have a coelom, a body cavity that houses their internal organs. Organs found in a frog's coelom include the heart, lungs, liver, stomach, and intestines. The coelom provides a space for these organs to function and enables flexibility in movement.
what type of skin does molluscs
No, a flatworm does not have a body coelom.
It was appeared in nematodes.Annelides had first true coelom.
Molluscs extract calcium carbonate from seawater to build their shells. They secrete this mineral to form the hard outer layer that protects their soft bodies.
As protostome phyla evolve, the coelom may change in structure and function. For example, in some phyla like annelids, the coelom functions as a hydrostatic skeleton. In arthropods, the coelom may be reduced or lost altogether.
The lining of the coelom is called the mesothelium. It is a thin layer of cells that surrounds the coelomic cavity and helps to support and protect the organs within it.
True coelom is body cavity lined by mesothelium on both sides as in chordates .