Name:
Section:
Porifera and Cnidaria Webquest
Website 1: http://www.seasky.org/reeflife/sea2a.html
1. Though extremely __________________________________________ in appearance, sponges are
actually one of the most primitive ____________________________________ in the sea.
2. How large can some sponges grow to be? __________________________________________
3. How are sponges different from other animals? ______________________________________
4. What does the name “porifera” mean? _____________________________________________
5. Describe how sponges get food.
Scroll down and choose two of the sponge species listed on the site. Name each sponge and list two more
facts /characteristics about each (color, height, shape, etc.)
6. Sponge Name: __________________________
Fact/Characteristic: ____________________________________________________________________
Fact/Characteristic: _____________________________________________________________________
7. Sponge Name: __________________________
Fact/Characteristic: _____________________________________________________________________
Fact/Characteristic: _____________________________________________________________________
Website 2: Go to http://www.enchantedlearning.com/subjects/invertebrates/sponge/
1. Sponges are sessile as adults. What does “sessile” mean (scroll down to the Glossary of Sponge Terms)?
2. Most species of sponge live in salt water. How many live in fresh water?
3. Sponges evolved over ______________________ years ago.
4. Sponges can reproduce sexually by releasing sperm, which will float to another sponge. However,
sponges can also reproduce asexually. How is this done?
Name:
Section:
Website 3: http://www.dnr.sc.gov/marine/pub/seascience/jellyfi.html
1. What phylum do jellyfish belong to? _________________________________________
2. Jellyfish do not have brains. What do they have instead? ____________________________ What can a
jellyfish sense? __________________________________________________________________
3. Most jellyfish measure less than an ________________________ to more than a ______________ across
the bell, although some may reach __________________________________ in diameter. The tentacles of
some jellyfish can reach lengths greater than ____________________________________________.
4. How long do jellyfish normally live? _________________________________
Scroll down and choose two of the species of jellyfish listed on the site. List three facts or characteristics
about each (size, location, shape, colors, etc.)
5. Jellyfish Name: __________________________
Fact/Characteristic: __________________________________________________________________
Fact/Characteristic: __________________________________________________________________
Fact/Characteristic: __________________________________________________________________
6. Jellyfish Name: __________________________
Fact/Characteristic: __________________________________________________________________
Fact/Characteristic: __________________________________________________________________
Fact/Characteristic: __________________________________________________________________
7. What should you do if you are stung by a jellyfish?
Name:
Section:
Website 4: http://news.nationalgeographic.com/news/2009/07/photogalleries/giant-jellyfish-invasionjapan-pictures/
1. What giant jellyfish is invading Japan and frustrating coastal fishers by clogging their fishing nets?!
Website 5: http://animals.pawnation.com/relationship-between-hermit-crabs-sea-anemones-1857.html
1. How fast can a sea anemone travel by itself, if it moves at all?
2a. How do sea anemones and hermit crabs help each other out?
2b. What type of symbiotic relationship is this?
3. What do sea anemones like to eat?
4. Who likes to eat sea anemones?
5. How big do sea anemones get to be?
Website 6: http://www.seasky.org/reeflife/sea2b.html
1. Although many people mistake corals and anenomes for ____________________________, they are
actually ________________________________. They are part of an ancient and simple group known as
___________________.
2. A coral structure is actually composed of ______________________ or ________________________ of
these tiny ____________________________ growing together as a ___________________________. Their
tiny calcium shells have accumulated over _____________________________________________________
to form the largest living structures in the world.
3. Describe the relationship between the sea anenome and the clownfish (remember Finding Nemo?).
4. What type of symbiotic relationship is this?
Name:
Section:
Scroll down and choose two species of coral and two species of anemone (the anemone are at the end of
the list, on pages 3 and 4). List two facts or characteristics about each.
5. Coral Name: ________________________________
Fact/Characteristic: ______________________________________________________________________
Fact/Characteristic: ______________________________________________________________________
6. Coral Name: ________________________________
Fact/Characteristic: ______________________________________________________________________
Fact/Characteristic: ______________________________________________________________________
7. Anemone Name: ________________________________
Fact/Characteristic: ______________________________________________________________________
Fact/Characteristic: ______________________________________________________________________
8. Anemone Name: ________________________________
Fact/Characteristic: ______________________________________________________________________
Fact/Characteristic: ______________________________________________________________________
Website 7: http://www.pcrf.org/reeffacts.php
1. Coral reefs are in danger! What percent of coral reefs have already disappeared?
2. List four threats to the world’s coral reefs.
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3. Called the “____________________________________________________________,” coral reefs are
the greatest expression of ocean life, and the most _____________________________________________
ecosystem on earth with _______________ to __________________ known animal phyla present.