ornodunak
TRANSCRIPT
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Animalia ornodunak
• Eskeletoa daukate
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Ornodunak
ugaztunak narrastiak hegaztiak anfibioakarrainak
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UGAZTUNAKIlea daukate (gehiengoak).
Bibiparoak dira.
Kumeak zaintzen dituzte eta esnez elikatzen dituzte.
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Ugaztun arraroak
Ugaztun hauek obiparoak dira
Equidna
Ornitorrinco
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Armadilloa
Kangurua
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Ugaztun hegalariak
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Itsasoko ugaztunak
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NARRASTIAK
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Obiparoak dira
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Batzuek ez daukate hankarik…
…gorputzarekin mugitzen dira!
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ANFIBIOAK
• Azala leuna eta irristakorra dute.
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Obiparoak dira .
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Jaiotzean arrainak bezala dira. Hau da zakatzak dituzte arnasa hartzeko eta hegatsa bat mugitzeko.
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arrautzak
apaburua
heldua
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Arrabioaren larbak
Tritonaren larba
Igela “meridionalaren” larba
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Mugitzeko hegatsak dituzte
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Gorputzean ezkatak dituzte
Pez ballesta. Pez loro
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Obiparoak dira.
“Pailaso “ arrainaren arrautzak eklosionatu baino pixkat lehenago
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Arnasa hartzeko zakatzak dituzte.
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Ez dute kumerik zaintzen.
• Baina salbuespenak daude:
Los peces disco figuran entre los pocos que cuidan a sus crías. Producen una mucosidad en la piel de la que se alimentan los alevines.
Pez cebra cuidando a sus crías
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Beste arrain batzuk