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openings
Adult echinoderms only have one body opening. Their larvae have two.
The famous animal the "Porifera", has 6 body openings.
Echinoderms have a unique body plan characterized by a water vascular system and typically possess a pentaradial symmetry. They generally have one main opening, the mouth, which is located on the underside of their bodies, while the anus is often located on the top side, making it a second opening. Therefore, echinoderms can be said to have two openings: the mouth and the anus.
Yes it does
like a starfishes....
what aver
legs.
Echinoderms are a phylum with usually 5 fold symmetry, spines and calcium carbonate plates.
it is usually with 5 arms
Reptiles have 2 body openings. Mouth and an anus.
No, echinoderms do not have bilateral symmetry. They have radial symmetry, which means their body parts are arranged around a central axis.