Hydras are acoelomates.
The hydra does in fact have a skeleton. The type of skeleton it has is a hydrostatic skeleton where a coelom, or cavity filled with fluid, is surrounded by skeletal muscles.
pseudocoelom
Yes, grasshoppers do have a coelom. This is the type of body cavity they have. There are over 10,000 known species of grasshoppers.
No Coelom Bilateral Symmetry as larva, radial as Adult. Many consider to be bilateral.
A coelomate animal is the one which has a body cavity in which well developed organs can be accomodated.
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.
it does not have a coelom.
A Hydra Meaning Those Three Headed Crocodile-Like Dragon?!
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Coelom. It is partitioned by septa, which is a divider between segments of the worm.