Sponge and Cnidarian Review

20. _B_ _i_ _o_ _l_ _u_ _m_ _i_ _n_ _e_ _s_ c__ _e_ _n_ _c_ _e_ is a feature in which
comb jellies produce light by a chemical reaction.
21. Box jellies are in the class _C_ _u_ _b_ _o_ _z_ _o_ _a_.
22. The dominant body form of the jellyfish is the _M_ _e_ _d_ _u_ _s_ _a_, but it goes
through a larval stage called the _P_ _l_ _a_ n__ _u_ _l_ _a_ that swims by using its
_C_ _i_ _l_ _i__ _a_.
23. The class of cnidarians referred to as the "flower animals" are the
_A_ _n_ _t_ h__ _o_ _z_ _o_ a__ and contains the _S_ e__ a__
_A_ n__ _e_ _n_ _o_ _m_ _e_ and _C_ _o_ _r_ _a_ _l_.
24. Limestone cases of some cnidarians build up and form underwater _C_ _o_ _r_ _a_ _l_
_R_ _e_ _e_ _f_ _s_.
25. Box jellies have a _C_ _u_ _b_ _e_ shaped _M_ _e_ _d_ _u_ _s_ _a_.
26. The _C_ _l_ _o_ _w_ _n_ _f_ _i_ s__ _h_ lives
_S_ _y_ m__ _b_ _i_ _o_ _t_ _i_ _c_ _a_ _l_ l__ _y_ in the tentacles of sea anemones.
27. Corals live as _P_ _o_ _l_ _y_ _p_ _s_ in _C_ _o_ _l_ _o_ _n_ _i_ e__ _s_ within
their limestone skeletons.
28. Jellyfish are in the class of cnidarians called _S_ _c_ _y_ _p_ _h_ _o_ z__ o__ _a_.
29. _P_ _o_ _r_ _t_ _u_ _g_ u__ e__ s__ e__ _M_ _a_ _n_ - _o_ _f_ - _W_ a__ r__
exists as _C_ _o_ _l_ _o_ _n_ i__ e__ _s_ of both polyps and medusae in marine habitats.
30. Hydra are freshwater _C_ _n_ _i_ _d_ _a_ _r_ _i_ _a_ _n_ _s_ that can produce both
sperm and eggs.
31. Stinging cells in cnidarians are located in their _T_ _e_ _n_ t__ _a_ _c_ _l_ _e_ _s_.
32. Cnidarians have a _N_ _e_ _r_ _v_ _e_ _N_ e__ _t_ to transmit responses to various
parts of the body.
33. The harpoon-shaped structure in the cnidarian stinging cells is known as the
_N_ _e_ m__ a__ _t_ _o_ _c_ _y_ _s_ _t_.
34. Unlike sponges that are organized only into
_S_ _p_ _e_ _c_ _i_ _a_ _l_ _i_ z__ e__ d__ _C_ _e_ _l_ _l_ _s_, cnidarians have the
_T_ _i _s_ _s_ _u_ _e_ level of organization also.
35. Stinging cells contain a poison used to _P_ _a_ _r_ a_ _l_ _y_ _z_ _e_ their prey.
36. _A_ _m_ _e_ _b_ _o_ _c_ _y_ t__ e__ s__ are cells in sponges that move about and
deliver _N_ _u_ _t_ _r_ _i_ _e_ _n_ _t_ _s_ to other cells within the sponge.
Label the external structures of the sponge.
bud
2
Osculum
Incurrent pores
or Porocytes