Anelídeos - Prof. Dorival Filho · 2020. 4. 4. · Prof. Dorival Filho Zoologia Anelídeos _____...
Transcript of Anelídeos - Prof. Dorival Filho · 2020. 4. 4. · Prof. Dorival Filho Zoologia Anelídeos _____...
Prof. Dorival Filho Zoologia www.profdorival.com.br
Anelídeos________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Estrutura• Sistema circulatório fechado_______________________________________________________________________________________________________________________________________________________________• Respiração cutânea• Excreção por nefrídios__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________• Grande celoma. Líquido celomático funciona como esqueleto hidrostático
ClassificaçãoOligoquetas• Possui poucas cerdas• A movimentação envolve contrações alternadas entre a
musculatura circular e longitudinal________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________• A minhoca é monoica. Reprodução:____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Vasos transversais"corações"
Prof. Dorival Filho Zoologia www.profdorival.com.br
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Poliquetas• Possui muitas cerdas• Parapódios auxiliam na locomoção• Maioria vive no mar
Hirudinae• Não tem cerdas• Sistema circulatório aberto• Sanguessuga
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