Phylum? Class? Common name? Cnidaria Anthozoa Sea pansy Renilla is related to corals but differs from them in that it is a collection of polyps having different forms and functions.
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Phylum?
Class?
Common name?
Cnidaria
Anthozoa
Sea pansy
Renilla is related to corals but differs from them in that it is a collectionof polyps having different forms and functions.
Phylum?
Class?
Body form?
Cnidaria
Hydrozoa
Polyp
Obelia colony
Phylum?
Class?
Cnidaria
Hydrozoa
Feeding polyp
Reproductive polyp
Medusa bud – produced asexually
Phylum?
Class?
Cnidaria
Hydrozoa
What is this? This is an Obelia medusa as seenunder a compound microscope
How does this reproduce? Sexually by producing eggs or sperm
Phylum?
Class?
Cnidaria
Hydrozoa
What is the significance of thevelum in thetaxonomy of thisorganism?
The velum isa characteristicof hydrozoanjellies. ThusGonionemus isin Class Hydrozoa
A
B
C
Goniomenus
A:
B:
C:
D:
Exumbrella
Subumbrella
Manubrium
D
Velum
C
A BA:
B:
C:Tentacles
Oral arm
Gonad
Phylum?Class?Physalia Tentacle Cnidocytes with nematocysts
Identify CellsCnidariaHydrozoa
Phylum CnidariaClass HydrozoaPhysalia Tentacle
Cnidocytes with nematocysts
Phylum CnidariaClass HydrozoaPhysalia Tentacle
Nematocyst1. Identify cell
Cnidocyte
2. Identify structure within cell
Phylum CnidariaClass HydrozoaPhysalia Tentacle
Cnidocytes with undischarged? Nematocysts
Bud (AsexualReproduction)
Tentacle: Note Cnidocytes
Phylum?ClassHydra - Polyp
CnidariaHydrozoa
Phylum CnidariaClass HydrozoaObelia
What stage of the lifecycle does this represent?(Sexually Reproduces)
Medusa stage
Phylum CnidariaClass HydrozoaObelia Colony – A Colony of?Asexual Stage
Feeding Polyp
Reproductive Polyp
MedusaBud
Polpys
Phylum? Class? Common Name?Cnidaria Hydrozoa Portuguese Man-of-War
Common Name?By-the-wind sailor or Velella
B
A
Common name?Phylum?Class?
Phylum? Class?
Common Name?
Cnidaria
Scyphozoa
Moon Jellly
Phylum? Class? Common Name?Cnidaria Anthozoa Sea Anemone
Kingdom?
Phylum?
Common name?
How does this animal move?
How does this animal captureits food?
Animalia
Ctenophora
Comb Jelly
Via cilia. They have 8 rows ofciliated combs
They have specialized cells calledcolloblasts on their tentacles that secrete a “glue-like” substance.
B
C
DA
E
A:
B:
C:
D:
E:
Cnidocyte
Epidermis
Mesoglia
Gastrodermis
Gastrovascular cavity
What is this?
Kingdom?Phylum?Class?
A
B
CD
E
• Hydra• Kingdom Animalia• Phylum Cnidaria• Class Hydrozoa• A: Gastrodermis• B: Tentacle• C: Gastrovascular cavity• D: Epidermis• E: Gastrovascular cavity
Phylum?Class?What is this?
A
F
D
E
G
CB
Phylum Cnidaria Class Hydrozoa
Obelia
• A: Feeding polyp• B: Medusa bud• C: Tentacles• D: Medusa• E: Ciliated planula larva• F: Reproductive polyp• G: Obelia colony
Kingdom?Phylum?Class?
C
B
D
A
E
Kingdom Animalia Phylum Cnidaria
Class Scyphozoa (The Moon Jelly)
• A: Exumbrella• B: Subumbrella• C: Mouth• D: Oral arms• E: Mesoglia
B
AC
D
• A: Feeding polyp• B: Reproductive polyp• C: Medusa• D: Ciliated planula larva
B
C
DA
E
• A: Cnidocyte• B: Epidermis• C: Mesoglia• D: Gastrodermis• E: Gastrovascular cavity
AB
C
D
F
E
• A: Tentacle• B: Peristome• C: Mouth• D: Pharynx• E: Gastrovascular cavity• F: Basal disc
Gonionemus medusa
AB
D
E
C
Phylum?Class?
Phylum Cnidaria Class Hydrozoa (It has a velum!)
• A: Manubrium• B: Radial canal• C: Gonad• D: Velum• E: Tentalce
A
C
D
B
E
Phylum?Class?Common name?
Phylum Annelida Class Polychaeta
The Sandworm (A carnivorous predator)
• A: Jaws• B: Tentacles• C: Segment• D: Parapodium• E: Setae
EF
A
C
D
B
• A: Eyes• B: Segments• C: Setae• D: Parapodium• E: Pharynx• F: Jaws
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