Porifera and Cnidaria Test Review
Ch. 33 p. 672
Test Format:
- About 50 – 60 Questions
- Matching, True/False, Multiple Choice, Fill in the Blank
- Label a sponge diagram
- Label a hydra diagram
- Label a typical Cnidarian life cycle with polyp, medusa, planula larva
- Look to the practice test for sample questions
- Know the definitions of the following vocabulary words:
Cnidarians
Both Phyla
Nematocysts (cnidocyst)
sessile
Polyp
regeneration
Medusa
cell specialization
Gastrovascular cavity
Basal disk (base)
filter feeder
Portugese Man of War
invertebrate
Coral reef
Phylum Cnidaria
- means “stinging cell animal”
Tentacle
Tissues
body symmetry
-endoderm
- asymmetry
-ectoderm
- radial symmetry
Mesoglea
- bilateral symmetry
Nerve net
CaCO3 (calcium carbonate or limestone)
Porifera
spicules
collar cells (choanocyte)
incurrent pore (ostia)
central cavity (internal cavity)
excurrent pore (osculum)
gemmules
amoebocyte cells
Phylum Porifera
- means “pore bearing animal”