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EQUINODERMOS

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nicolas martinez

on 27 May 2014

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Transcript of EQUINODERMOS

Anatomia
EQUINODERMOS
Simetría: Bilateral en las larvas y radial en los adultos

Cantidad de capas tisulares: 3 capas tisulares

Cefalización: ausente

Cavidades corporales: celomados

Sistema digestivo: boca y ano separados.

Sistema respiratorio: Pies tubulares, branquias cutáneas, árbol respiratorio.

Sistema circulatorio
: ausente

Sistema excretor: ausente

Sistema nervioso: sin ganglios en la cabeza; anillo nervioso y nervio radiales; red nerviosa en la piel.

Reproducción: sexual ( algunas hermafroditas y asexual por regeneración.

Dominio: Eukaryota
Reino: Animalia
Subreino: Eumetazoa
Subfilos y Clases
Homalozoa †
Pelmatozoa
Edrioasteroidea †
Crinoidea
Eleutherozoa
Asteroidea
Concentricycloidea
Echinoidea
Holothuroidea
Ophiuroidea
Orden Taxonómico
Protoreaster linckii
Actinopyga echinites
Heterocentrotus mammillatus
Ptilometra australis
Ophiopteris antipodum
Full transcript