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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 coelom is lined with epithelium.
C. hemocoel
The sponges are Acoelomates. That is they don't have coelom or body cavity.
They express the characteristics inherent to arthropods. All insects are arthropods. Not all arthropods are insects.
It is called peritoneum.
They express the characteristics inherent to arthropods. All insects are arthropods. Not all arthropods are insects.
it does not have a coelom.
arthropods
They are called arthropods( that means jointed legs )
Coelom. It is partitioned by septa, which is a divider between segments of the worm.
This could be wrong but i believe it is called a COELOM