2 a 4-nematodeos
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Transcript of 2 a 4-nematodeos
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Trabalho de
biologia
Nematóides
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Filo Nematoda (Nemata): vermes em forma de fio
Os nematoides(vermes cilíndricos) são abundante na biosfera,
•habitat
•vida livre
•tamanho é muito variável.
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Embriologia
São animaistriblásticos
PseudocelomadosProtostômios
Simetria bilateral.
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É coberto por uma cutícula
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Musculatura
É composta por uma única camada de células . Responsável pelo movimentos
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Digestão
sistema digestório completo.
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Sistema Nervoso
Possuem dois cordões nervosos
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Reprodução
Dióicos
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Parasita Vida livre
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Alimentação
•Microbiófagos
•Alimentando-se de pequenos animais no solo
•Produtos pré-digeridos pelo hospedeiro,
•Fitófagas
•Carnívoras.
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funções ecológicas
•decomposição de matéria orgânica,
• mineralização de nutrientes,
• degradação de toxinas
•regulação da população de micro-organismos,
•Produçao de CO2
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Doenças causadas por NematódeosOxiuríase
Causada pelo Enterobius vermicularis
• parasita o intestino humano.
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Enterobius vermicularis
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Transmiçao da Oxiuríase
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Ancilostomíase: AmarelãoCausador
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FILARÍASE
TRANSMISSOR PESSOA CONTAMINADA
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Alunas:Aline Nantes n°1Beatriz Stefani n°29
Mariane Marques n°31Renata Cantidio n°34
2°A