cnidaria Flashcards
(8 cards)
1
Q
Cnidaria
A
about 9,000 species
stinging cells (Cnidocyte- house, nematocyst- stinger, cnidocil- trigger)
2
Q
what are the classes of Cnidaria?
A
anthozoa
staurozoa
scyphozoa
cubozoa
hydrozoan
3
Q
anthozoa
A
coral/ sea fans/
no medusa
colonial/ solitary polyp
sessile
biradial symmetry
dinoflagellates
4
Q
staurozoa
A
stauromedusa
polyp to medusa
jellies on stick
thick boys
5
Q
scyphozoa
A
true jellies
radial symmetry
diploblastic
95% water
nerve net
6
Q
cubozoa
A
box jelly
venamous
mouth and gastrovascular cavity
fleshy pedalism
7
Q
hydrozoans
A
medusa
darkened area gonads
feathery coral (hydrozoan)
they take on many different body forms
polyp to medusa
8
Q
statocyst
A
sensory oriented
