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vertebrados caracteristicas generales esqueleto interno: Protege órganos sistema nervioso central y órganos solidez al cuerpo Permite movimientos, ( articulaciones.) cabeza, tronco, extremidades* y cola*
vertebrados caracteristicas generales 2 Regulación temperatura corporal (homeotermos o poiquilotermos) Peces, anfibios, reptiles, aves y mamíferos 60.000 especies S.N. CENTRAL desarrollado (encéfalo y médula espinal) simetría bilateral
peces oviparos, acuaticos, respiran por branquias, tienen escamas, aletas pareadas y cola, poiquilotermos, linea lateral y 32.000 especies, Clasificación: condrictos y osteictios
linea lateral permite detectar obstaculos u otros animales sin necesidad de verlos o tocarlos
placas dermicas aportan una elevada dureza a la piel
esqueleto oseo esta desarrollado por huesos
condrictos esqueleto CARTILAGINOSO, placas dermicas, tiburones, manta rayas etc...
osteictios esqueleto oseo, escamas, merluza, atun , trucha, mas numeroso
anfibios oviparos, acuaticos o terrestres, pulmones, piel desnuda (húmeda), 2 pares de patas y cola, poiquilotermos, tamaño entre 1cm y 1m, boca amplia sin dientes, ojos grandes y saltones, metamorfosis, 7000 especies. Clasificacion: anuros, apodos y urodelos
anuros ranas y sapos; sin cola en fase adulta, patas traseras mayores
urodelos salamandras y tritones. Adulto con cola y 4 patas
apodos carecen de patas, alargados
reptiles oviparos, terrestre, pulmones, escamas, 2 pares de patas y cola, poiquilotermos, 10.000 especies Clasificacion: quelonios, tortugas saurios, lagartos ofidios, serpientes coccodrilianos, cocodrilos
aves ovíparos, terrestres, pulmones, plumas, 1 par de alas y de patas, homeotermos, vuelan, 10.000 especies, picos adaptados a su alimentación, sacos aéreos y plumas fundamentales vuelo, distintos tipos de plumas según su función.
Created by: angelabecerral
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