Write the general features of Ctenophora.
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Nematocysts absent. Instead, special adhesive and sensory cells, called colloblasts, present on tentacles, help in food...
nervous system diffuse. Aboral ends bears a sensory organ, the statocyst.
All monoecious (hermaphrodite). Gonads develop side by side on digestive canals and develop from endoderm
Development of ctenophores usually includes a characteristic cydippid larva.
Alternation of generation and asexual reproduction absent.
Regeneration and Paedogenesis common.
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They are free-swimming, marine, solitary, pelagic animals. ...
The body is transparent, gelatinous, pear-shaped, cylindrical, or flat or ribbon-shaped.
They have a biradially symmetrical body along an oral-aboral axis.
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