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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