Notes for Chapter 13:
Cnidaria ("Radiate Animals")
Click link to return to Lecture
Schedule
or back to Chapter 12
or ahead to Chapter 14 (under construction)
Chapter 13 Assignment:
Ch. 13: 253-266, 277-280; RQ-13: 2-5, 11
(Cnidaria only, not Ctenophora; Also, see p. 110 - Burgess Shale)
Introduction: A Fearsome Tiny Weapon (nematocysts or here)
|
|
Cnidarian Terms (Study!)
polyp <-> medusa
alternation of generations
mesenchyme
coelenteron
tentacles
cnidoblast cells/nematocysts
hydranth (gastrozooid)
gonozooid
radial canals
planula
nerve net
colony
Hydrozoa, Anthozoa, Scyphozoa
siphonophore (floating colonial hydrozoan)
I. Cnidaria.
Jellyfish,
Sea
Anemones, Corals
More
Links
Key Terms: polyp, medusa, colonies, nematocysts (or here)
Featured organisms:
Siphonophores
(colonial
jellyfishes)
In the Sherlock Holmes story, The
Lion's Mane,
who
was the culprit
and what were the tell-tale
signs?
Featured Organisms:
Irukandji stinger (a tiny cubomedusa,
Carukia barnesi)
The sea
wasp (a larger cubomedusa,
Chironex fleckeri)
Study Guide
Describe a typical hydrozoan life cycle
Compare Hydrozoa, Anthozoa, Scyphozoa
(life cycles, common names)
What is a cnidocyte? nematocyst? (pp. 256-257)
How does Hydra compare with a sponge?
What specializations are related to coloniality?
Distinguish types of symbiosis:
commensalism, mutualism, parasitism
Extra Challenge:
Distinguish cell types in Epidermis/Gastrodermis (RQ13:8)
II. Ctenophores - More Links
Key Terms: combs, colloblasts
Click link to return to Lecture
Schedule
or back to Chapter 12
or ahead to Chapter 14 (under construction)
This page created 9/16/01 © D.J. Eernisse, Last Modified 9/16/01, Links Last Completely Checked 9/16/01
