#ophiopluteus #echinopluteus #doliolaria
Adult echinoderms exhibit pentaradial symmetry and have a calcareous endoskeleton made of ossicles, although the early larval stages of all echinoderms have bilateral symmetry. The endoskeleton is developed by epidermal cells and may possess pigment cells, giving vivid colors to these animals, as well as cells laden with toxins. Gonads are present in each arm. In echinoderms like sea stars, every arm bears two rows of tube feet on the oral side. These tube feet help in attachment to the substratum. These animals possess a true coelom that is modified into a unique circulatory system called a water vascular system. An interesting feature of these animals is their power to regenerate, even when over 75 percent of their body mass is lost.

Part - 1 :-
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Metamorphosis :-
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Metamorphosis
Echinodermata
Echinoderms
Life cycle of echinodermata
Life cycle of echinoderms
Echinoderms types
Types of echinodermata larva
Types of echinoderms larva
Alampally phanindra
larval forms of echinodermata
larvae of echinoderms
bipinnaria larva
doliolaria larva
phylum echinodermata
echinodermata in hindi
echinodermata larval forms
Bio science