Characteristics of ctenophora
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ctenophora is also known as seq walnut or comb jelly
exclusive marine
diploblastic
body bear 8 extran row of cilia
show bioluminescence
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Ctenophora (Sea walnut):
→ It is the smallest of all phylum.
→ These are aquatic.
→ Body organisation is of tissue level.
→ These are acoelomates. [No true body cavity].
→ Radial symmetry is present.
→ These are having ciliated comb plates.
→ They are Bioluminescence. [Light emitting].
→ Mode of reproduction -
External - Fertilization
Development may be direct or indirect.
→ Digestion - External
→ Example : Ctenoplana
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