Aves
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Transcript of Aves
![Page 1: Aves](https://reader033.fdocumentos.com/reader033/viewer/2022051617/55973e501a28ab13678b45e7/html5/thumbnails/1.jpg)
AVES
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* Pele seca, sem glândulas, com penas = manter temperatura corpórea, ajudam vôo
* Membros anteriores transformados em asas
* Homeotermos , endotermos
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* Sistema digestório completo: Boca ( transformada em bico = ajuda vôo ) e cloaca
* Respiração pulmonar: pulmões com sacos aéreos (aumentam capacidade respiratória)
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* Sistema esquelético ósseo com ossos pneumáticos facilitam vôo = diminuem peso
* Sistema circulatório : circulação dupla , completa e fechada. Coração com 4 cavidades , com a Aorta virada para a direita. Hemácia nucleada.
* Sistema excretor: com rins , sem bexiga ( facilitam vôo ) , eliminam o ácido úrico.
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* Reprodução : dióicos , fecundação interna , ovíparos , com ovos ricos em vitelo
* Anexos embrionários : âmnio , alantóide , córion , saco vitelínico.
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ADAPTAÇÕES AO VÔO : a) forma aerodinâmica, diminui o atrito com o ar b) corpo revestido por penas c) asa d) esqueleto leve e resistente ( ossos
pneumáticos ) e) ausência de dentes , cabeça mais leve f) presença de membrana nictitante protegem os
olhos = poeira e ressecamento. g) osso esterno em forma de quilha ou carena h) ausência de bexiga urinária
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Galinha (Gallus gallus domesticus )
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Chapim-real (Parus major)
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Bem-ti-vi (Pitanguns sulphuratus)
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Arara-vermelha (Ara chloroptera)
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Acauã (Herpetotheres cachinnans)
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Xexéu (Molothrus bonariensis)
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Tucano-toco (Ramphastos toco)
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Canário do Amazonas (Sicalis columbiana)
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Tico tico (Zonotrichia capensis)
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Sabiá-laranjeira (Turdus rufiventris)
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Azulão (Cyanocompsa brissonii)
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Sanhaço cinzento (Thraupis sayaca)
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Cardeal (Paroaria coronata)
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AVESTRUZ, Struthio camelus
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Quivi, (Apteryx owenii )
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Ovo de Avestruz
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Ovo de codorna
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Ovo de Galinha
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Comparação
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Órgãos da Galinha
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Esqueleto de ave
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Partes da ave