ctenophora Flashcards
1
Q
Name some of the species in this group
A
Comb jellies and sea walnuts. They are all marine
2
Q
What kind of symmetry do they have?
A
Radial symmetry. which is symmetry around a central axis
3
Q
are they diploblastic or triploblastic and what does this mean?
A
diploblastic so have two germ layers
4
Q
what are the combs used for ( 8 ciliated longitudinal rows)
A
used for propulsion
5
Q
describe the tentacles that they have
A
long branched and contractable tentacles which have cells called colloblasts which are sticky and function in the entrapment of pray
6
Q
they are both male and female. what is the name for this?
A
hemaphrodites
7
Q
many are bio_____
A
bioluminescent
