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13 Cards in this Set
- Front
- Back
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Give 3 characteristics of Phylum Platyhelminthes |
1. Tripoblastic 2. Bilaterally symmetrical 3. Acoelomate |
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Percentage of the Phylum Platyhelminthes that are parasitic |
80% |
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What is the Phylum Platyhelminthes lined with? |
Epidermis or tegument |
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Describe the digestive system of Phylum Platyhelminthes |
Incomplete, Some w/o gut |
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Describe the circulatory organs of Phylum Platyhelminthes |
No circulatory organs Some may have hemoglobin |
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Describe the respiratory organs of Phylum Platyhelminthes |
No respiratory organs |
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What do you call the excretory organ of Phylum Platyhelminthes |
Protonephrida w/ flame cells |
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Describe the nervous system of Phylum Platyhelminthes |
Centralized With anterior ganglea and lateral nerve cords |
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What are the 2 ways of Phylum Platyhelminthes to reproduce? |
Hermaphroditic Sexual Asexual forms new individual |
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What are the 4 pairs of longitudinal nerve cords? |
Ventral, Lateral, Ventro-lateral, Dorsolateral |
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What do you call the formation of zooids/buds? |
Paratomy |
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Transport plan of Sperms |
Testes ~> Spermiduct ~> Seminal vesicle ~> Genital pore |
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Transport plan of Egg cells |
Ovary ~> Seminal receptacle ~> Copulatory bursa ~> Genital pores |
