CNIDARIAN WEB TOUR
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Jellyfish anatomy
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1). Click this link to view a website that deals with the phylum Cnidaria. Specifically, this page deals with the polyp and medusa body forms.
Describe at least two differences between these body plans on your paper.



2). This website presents an excellent overview of the phylum Cnidara. To maneuveur through the site, you need to click on the pages at the bottom of the page. Read through the first page, and click the next button when you have finished.


*Cnidarians are the first animals to possess tissues. What are the two tissues layers called? Click on the forward arrow when you are done.

*What exactly are the nematocysts used for in cnidarians?

*The three classes of cnidarians listed here are Anthozoa, Scyphozoa, and Hydrozoa. Which body form is primarily observed for each class?

*According to this website, how are organisms in the phylum Ctenophora more advanced than those found in phylum Cnidaria?



3. This video shows cnidocytes firing in a jellyfish. After watching this video, describe how this process is different from something like a bee sting.


4. If you travel here, you will find various videos from the Monterey Bay Aquarium. I linked directly to the one dealing with jellyfish in general
Describe jellyfish movement, as well as anything new you learned about jellies in the space below:

5.Watch this video about a species of box jelly (class Cubozoa).
Summarize what you learned about the Irukandji - how is this different from a regular jellyfish?

6. If you go to this website, you can see a sea anemone reproducing asexually.
***Why is this type of reproduction a benefit to this anemone population, and also, what is one possible disadvantage about this type of reproduction?