Phylum Cnidaria - Adam Oliver...
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1 BIO2135 – Animal Form and Function Phylum Cnidaria ● Miller and Harley Chap. 9 BIO2135 – Animal Form and Function Cnidarian Phylogeny Fig. 9.1 BIO2135 – Animal Form and Function Number of Species 9000+ species
Transcript of Phylum Cnidaria - Adam Oliver...
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BIO2135 – Animal Form and Function
Phylum Cnidaria● Miller and Harley Chap. 9
BIO2135 – Animal Form and Function
Cnidarian Phylogeny
Fig. 9.1
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Number of Species
9000+ species
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Cnidarian Lifecycle
Fig. 9.10
N.B. Incomplete Digestive Tube
BIO2135 – Animal Form and Function
Taxonomy of Phylum Cnidaria• Class Anthozoa• Solitary or colonial polyps• Class Staurozoa• Only solitary polyps• Class Cubozoa• Medusa prominent, cuboid• Class Scyphozoa• Medusa prominent, cnidocytes
in ectodermis & endodermis• Class Hydrozoa• Polyps prominent, often colonial,
cnidocytes in ectodermis
BIO2135 – Animal Form and Function
Hydrostatic Skeleton
Fig. 23.10
bands
bands
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Cnidocytes
Fig. 9.9
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Firing the Cnidocytes
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Firing the Cnidocytes
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Body Wall
Fig. 9.8
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Extra vs. Intra-cellular
Digestion
Fig. 27.2
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Polyp Feeding
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Anthozoa AnatomyFig. 9.19
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ScyphozoaAnatomy
Fig. 9.15
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Scyphozoa Life Cycle
Fig. 9.16Strobilization
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Rhopalium
Tentacle
Pedalium
Cubozoa Anatomy
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Hydrozoa Anatomy
Fig. 9.12
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Hydrozoan Lifecycle
Fig. 9.11
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Medusa Locomotion
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Nerve Net
Fig. 24.7
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Diffusion for Respiration/Excretion
Figs. 26.1 & 26.11
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Ecology
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Ctenophora
Fig. 9.22
Colloblast
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Phosphorescent Comb Jellies
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Next Class- Platyhelminthes
● Miller and Harley Chap. 10
