Animal Diversity 1
Name:
____ 1. The animal group with a complete digestive system (two digestive openings)
____ 2. The group that has radial symmetry
____ 3. The group that gets their food by filter feeding
____ 4. When an organism has sensory organs concentrated at the “front” end of
body
____ 5. When an organism doesn’t move/is fixed in place
a.
b.
c.
d.
e.
f.
g.
h.
Nematode (round worms)
Platyhelmenthes (flat worms)
Cnideria
Porifera (sponges)
Cephalization
Motile
Psuedocoelum
sessile
6. You see an organism that is long and flat, it has a “head” and a tail end with one body opening, what group of animals
does this organism belong to?
7 Why are corals only found in clear, relatively shallow, and sunlight water
8 Tapeworms don’t have a digestive system, how do they obtain nutrients/nurishment?
9. If an organism is bilateral and shows cephalization, then what does this tell us about an animal’s life style?
10. See Screen ___ID PHYLUM__________________________________________
11. See Screen: _____ID BODY FORM________________________________________
12. See screen: ______ID ORGANISM_________________________
ALTERNATE QUESTIONS
10. What is the benefit of being radially symmetrical when you are sessile?
11. You find an organism that in the ocean, it is has a top and bottom, but not a front, back, or sides, it has a digestive cavity with one
opening. What group does it belong to?
Animal Diversity 1
Name:
1. What animal phylum (group) from last week’s lab is the only one with a complete digestive system (one that had two openings)?
2. What is radial symmetry
3. How do sponges get their food (i.e., describe their feeding method)
4. What phylum (group) studied last week do corals belong to?
5. Why are corals only found in clear, relatively shallow, and sunlight water?
6. Define dioecious
7. Which group (phylum) is radially symmetric and has a digestive cavity with a single opening
8. Name two characteristics of phylum platyhelminthes
9. If an organism is bilateral and shows cephalization, then what does this tell us about an animals life style?
10. What is the benefit of having a complete digestive system (i.e., one that has two openings)?
11. Why is it useful for a sessile organism to be radially symmetrical?
12. Explain how tapeworms obtain nutrients (after all they don’t have a ‘mouth’ or ‘digestive system’)
Animal Diversity 1
Name:
____ 1. The animal group with a complete digestive system (two digestive
openings)
____ 2. The group that includes coral.
i.
j.
k.
l.
Nematode (round worms)
Platyhelmenthes (flat worms)
Cnideria
Porifera (sponges)
____ 3. Filterfeeders
Name one characteristic possessed by flatworms that neither sponges nor cnidarians have.
If an organism is bilateral and shows cephalization, then what does this tell us about an animal’s life style?
Why are corals only found in clear, relatively shallow, and sunlight water
10. Circle the picture that represents the medusa body form
11. What group does the animal on the screen belong to?
12. Name one characteristic of the animal group seen in this picture.
10. What is the benefit of being radially symmetrical when you are sessile?
11. You find an organism that in the ocean, it is has a top and bottom, but not a front, back, or sides, it has a digestive cavity with one
opening. What group does it belong to?
Animal Diversity 1
Name:
1. What animal phylum (group) from last week’s lab is the only one with a complete digestive system (one that had two openings)?
2. What is radial symmetry
3. How do sponges get their food (i.e., describe their feeding method)
4. What phylum (group) studied last week do corals belong to?
5. Why are corals only found in clear, relatively shallow, and sunlight water?
6. Define dioecious
7. Which group (phylum) is radially symmetric and has a digestive cavity with a single opening
8. Name two characteristics of phylum platyhelminthes
9. If an organism is bilateral and shows cephalization, then what does this tell us about an animals life style?
10. What is the benefit of having a complete digestive system (i.e., one that has two openings)?
11. Why is it useful for a sessile organism to be radially symmetrical?
12. Explain how tapeworms obtain nutrients (after all they don’t have a ‘mouth’ or ‘digestive system’)