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Transcript 
PORIFERA & CNIDARIA
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answer all the questions before you click
Phylum?
Porifera
What are these?
Spicules
Spongin
What is this?
Gemmule
- Used for asexual
reproduction in sponges
Name the structures (A-E)
A
Osculum
B
Choanocyte
C
D
Amoebocyte
Porocyte
E
Spicule
Fill in the blanks
Phylum Cnidaria
1. Class _____________
Hydrozoa
2. Class _____________
Scyphozoa
3. Class _____________
Anthozoa
A
B
1. Phylum?
2. Class
3. Name the structures the arrows
point to
4. What body form is this?
5. Common name?
6. Symmetry?
1.
2.
3.
4.
5.
6.
Cnidaria
Hydrozoa
A) tentacle
Polyp
Hydra
Radial
B) mouth
Name these parts
Mouth
Cnidocyte (contains nematocyst)
Gastrovascular Cavity
Endoderm
Ectoderm
Mesoglea
Life Stages
A
B
C
•
•
Phylum? Class?
Names for life stages?
•
A)
B)
C)
Cnidaria - Scyphozoa
Planula larvae
Schiphistoma
Ephyra
Anthozoa - Metridium
•
•
•
Phylum?
Class?
Label parts
•
•
Cnidaria
Anthozoa
1 – Tentacles
3 – Pharynx
8 – Gastrovascular Cavity
9 – Pedal Disk
Phylum? Class?
Phylum Cnidaria
Class Scyphozoa
Phylum Cnidaria
Class Anthozoa
Phylum Cnidaria
Class Hydrozoa
Phylum Cnidaria
Class Hydrozoa
Phylum Cnidaria
Class Hydrozoa
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