biol 1407 1.porifera-to_platyhelminthes_
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BIOL 1407LAB IMAGES
forInvertebratesSpring 2008
JGS
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These images will be those that will be used for the next Lab exam. Any information in text, Lab Atlas or on
slide is fair question material.
Attention:
BIOL 1407 82001 and 83073 Students
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Phylum Porifera
• Sponge anatomy to know.
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Sponge Spicules• Sponges are heterotrophic
animals that are sessile as adults.
• Sponges are metazoans having no true tissue.
• The sponge body is made of various cells in a spongin matrix with spicules of calcium carbonate or silica for structure and formation.
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Marine sponge examplesPhylum Porifera
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Other Sponges(Man Made, Plant Origin)
Luffa Sponge (plant)
Cellulose Sponge
Sponge Bob
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Phylum Cnidaria(stinging celled animals)
• Cnidarians are primitive heterotrophic diploblastic (two layered) animals of marine and freshwater environments. They capture prey using nematocysts (stinging cells) containing cnidoblasts and nematocysts.
Medusa
Polyp or
Hydroid
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Class Hydrozoa
Obelia Reproductive Polyp
Obelia Feeding Polyp
Obelia Medusa
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Class HydrozoaHydra Anatomy
Hydra with bud
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Class ScyphozoaTrue Jellys
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Class CubozoaCube Jellies, Sea Wasp
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Class AnthozoaCorals, Sea Anemone
Coral Colony Polyps
Sea Anemone
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Phylum PlatyhelminthesFlatworms
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Class TurbellariaFree-living Flatworms
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Class TrematodaFlukes (parasitic)
Anterior
Lateral
Posterior
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Class CestodaTapeworms (parasitic)
Tapeworm Scolex
Suckers
TapewormScolex and immature
proglottids
Hooks
ImmatureProglottids
Hooks