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6 Cards in this Set
- Front
- Back
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Flatworms
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Phylum: Platyhelminthe
Three Classes: Turbellaria, Cestoda, Trematoda |
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Phylum Characteristics:
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Triploblastic bilaterally symmetrical dorso-
ventrally flattened metazoans; Solid body with no coelom. No vascular system; Flame cells; First with cephalisation and organ level of development |
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Difference between Dipoblasty and Tripoblasty
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As the name suggest, Dipoblasty=Two main layers of tissue, while TRIpoblasty has three
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Class Turbellaria
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Freshwater Dwellers Mostly;
Diffusive Sa/Vol respiration; Contracting locomotion on layer of mucous; Branched gut, feeds by pumping enzymes into surroundings and sucking digested materials in; Rarely self fertilize but sexually hermaphrodite |
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Class Trematoda
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Hosts: Primary-Vertebrae; Secondary-Invertebrae
Reproduction when both male and females are present in the Definitive Host |
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Class Cestoda
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Appearance of Segmentation
Hermaphrodites Definitive hosts: Vertebrae; Adults live in single host throughout life |
