Cnidarian/Ctenophore WebQuest
Answer the following questions
http://www.ucmp.berkeley.edu/cnidaria/cnidaria.html
http://www.earthlife.net/inverts/ctenophora.html
http://www.oceanicresearch.org/education/wonders/cnidarian.html
1.) Explain what it means to have "tissue level" of organization?
2) How do they carry out Respiration, Circulation, and Excretion?
3) What is the nerve net?
4) What are the three main classes of cnidarians?
5.) How many openings are there to the Cnidarian's body? (Explain the two functions)
6.) Explain how medusa and polyp body form are different from one another.
7.) Explain how nematocysts work for Cnidarians.
8) Name one jellyfish species and one coral species that are dangerous to humans? Where
can they be found? What precautions should be taken? How do you treat a Jelly sting?
9) Coral Reefs: How are they built? What are the main types? What are the threats to
Coral Reefs?
10) What is the difference between a ctenophore and a cnidarian?
11) What are colloblasts?
12) Where in the water column can most ctenophores be found? Most cnidarians?
13) How do ctenophores use bioluminescence? What is bioluminescence?
14) Where in the water column can a polyp be found? A medusa?