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PHYLUM MOLLUSCA

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PHYLUM MOLLUSCA. CARACTERÍSTICAS GERAIS. Corpo mole Cabeça, pé e massa visceral Concha Triblásticos Celomados (esquizocélicos) Protostômios Simetria bilateral. SISTEMÁTICA. Gastropoda Pelecypoda Cephalopoda Amphineura Scaphopoda. GASTROPODA. PELECYPODA. CEPHALOPODA.

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Presentation Transcript
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CARACTERÍSTICAS GERAIS

  • Corpo mole
  • Cabeça, pé e massa visceral
  • Concha
  • Triblásticos
  • Celomados (esquizocélicos)
  • Protostômios
  • Simetria bilateral
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SISTEMÁTICA

  • Gastropoda
  • Pelecypoda
  • Cephalopoda
  • Amphineura
  • Scaphopoda
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AMPHINEURA

Chiton

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SISTEMA DIGESTÓRIO

Completo – Digestão extracelular

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RÁDULA

Presente em moluscos exceto

Classe Pelecypoda

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SISTEMA CIRCULATÓRIO

Aberto – Sangue com hemocianina

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SISTEMA EXCRETOR

Nefrídios ou órgão de Bojanus

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SISTEMA NERVOSO

Tipo: Ganglionar

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REPRODUÇÃO

GASTROPODA: Monóicos ou dióicos

PELECYPODA: Dióicos

CEPHALOPODA: Dióicos

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