Notizen
Echinodermata
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Phylum Echinodermata
General characteristics:
Deuterostomes
Water Vascular System
Pentaradial Symmetry in most
Nervous system lacks a distinct brain, but has radial nerves and circumoral ring
Complete digestive system in most
Respiration by various structures depending on class (papulae, tube feet, respiratory trees, bursae)
Endoskeleton of calcareuos plates (ossicles) covered by epidermis
Phylogeny
Class Asteroidea
Class Ophiuroidea
Class Crinoidea
Class Echinoidea
Class Holothuroidea
Informationen
- Beschreibung
- A general idea of the phylum Echinodermata and the classes that comprise it. This note is intended to highlight general characteristics and will not go in-depth with the features that differentiate the classes from each other. Lastly, these notes will be restricted to the notes represented in my class, and is intended for self-use.
- Erstellt von
- StalkerMoose · Nov 2015
- Aktualisiert
- 24 Sep 2016
- Aufrufe
- 102
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