Porifera Cnidaria Jeopardy KEY
Name that Phylum and Class I
100 Hydra
Cnidaria, Hydrozoa
200 Brain Coral Cnidaria, Anthozoa
300 Bath Sponge Porifera, Demospongiae
400 Glass Sponge Porifera, Hexactinellida
500 Obelia
Cnidaria, Hydrozoa
Gemmules
600 3 Characteristics of the Class
Demospongiae
Some freshwater, used for bathing, leuconoid
canals, elastin (spongin) & SiO3, found in
Caribbean, & Gulf of Mexico
Name that Phylum and Class II
200 Aurelia (cup jelly) Cnidaria, Schyphozoa
400 Sea Anemone Cnidaria, Anthozoa
600 Portuguese Man of War Cnidaria,
Hydrozoa
800 Leucosolenia Porifera, Calcarea
1000 Chironex fleckerii Cnidaria, Cubozoa
Porifera v.s. Cnidaria
200 Symmetry in Sponges v.s. Cnidaria
Asymmetrical, radial
400 Level of organization, Sponges v.s.
Cnidarians
Cellular, tissue
600 Economic Importance of Sponges v.s.
Cnidaria
Mops, padding, bathing, painting
Tourism, building, jewelry
800 Type of Nervous System in each
None (local response),
nerve net around mouth
Characteristics of Cnidarian Animals
100 Where food is digested in a jelly fish
Gastrovascular cavity
200 What sea anemones use to digest their food
Enzymes
300 Body form(s) of Hydra
Polyp only
400 Body form(s) of Obelia
Polyp & Medusa
500 Form of asexual reproduction in sea
Anemones
Pedal Laceration
Characteristics of Poriferan Animals
100 Motion type in adult sponges sessile
200 Component of spicules of
Class Hexactinellida SiO3 silicon dioxide
300 Component of spicules of Class
Calcarea
Calcium carbonate (Ca CO3)
400 Names, sizes, & locations of openings for
water Oscula, large, top
Ostia, small, sides
500 Repro. structures formed in bad conditions
Grab Bag
100 Photodetection cells in jelly fish
ocelli
200 Organ of balance in Cnidarians
statocysts
300 Stinging cells in Hydra
nematocysts
400 Canal system(s) found in Class Calcarea
Asconoid(simple)
or Syconoid (advanced)
500 2 components of Demospongiae “skeleton”
elastin (spongin) & SiO3
600 Chemical that neutralizes stinging cells of
jelly fish
acetic acid (vinegar)
700 The three conditions necessary for coral
growth
warmth, salinity, sunlight (uv light)