phylum ctenophora Flashcards
1
Q
ctenophora is commonly called as
A
sea walnuts or comb jellies
2
Q
what is their special feature and how is it useful for the organism
A
their body bears 8 external rows of comb plates which are used for locomotion, ALSO they have the property of bioluminescence
3
Q
how do these reproduce
A
sexually only
4
Q
general characteristics
A
exclusively marine, radial symmetry, diploblastic, tissue level
5
Q
how are their fertilisation and development
A
its external and indirect resp
6
Q
examples are
A
pleurobranchia and ctenoplana
