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Which one of the following is not the characteristic of the phylum to which Pleurobrachia belongs?
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a
Bioluminiscence
b
8 external rows of ciliated comb plates
c
Commonly known as comb jellies
d
They are dioecious and show only the internal fertilisation
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Correct option is D
Sexes are not separate. Fertilisation is external with indirect development.Ctenophores are commonly known as sea walnuts or comb jellies.Bioluminescence (the property of a living organism to emit light) is well-marked in ctenophores.The body bears eight external rows of ciliated comb plates, which help in locomotion.Talk to our academic expert!
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