Phylum Echinodermata Flashcards

echinodermata  Phylum Echinodermata spiny-skinned animals all marine adults have radial symmetry larvae have bilateral symmetry Class Asteroidea Echinodermata is a phylum of about 7000 living species distributed among five classes: Echinoidea , Holothuroidea (sea

Echinodermata · They are round or elongated and have a star-like appearance · They are only marine creatures · The creatures have spiky skin  Phylum Echinodermata Class Asteroidea starfish Click link to view examples Class Ophiuroidea brittle stars Click link to view examples Class Echinoidea

Echinodermata · They are round or elongated and have a star-like appearance · They are only marine creatures · The creatures have spiky skin  The Phylum Echinodermata is distinguished by characteristics such as spiny-skin, pentaradial symmetry, and an endoskeleton composed of