Mindmap
Echidnoderms
Inhalt der Mindmap
Echidnoderms
Marine
Origins unclear
Exoskeleton of calcium carbonate
- - tightly or loosely joined
- ossicles
- covered by epidermis
symmetry
- Pentaradia - adult
- bilateral - larvae
All organ systems from centre
Nervous system
- nerve ring with barnches - no centralisation = no brain
5 classes
Water vascular system
- radially organised
Informationen
- Beschreibung
- Mindmap am Echidnoderms, erstellt von Georgia Droudis am 19/06/2018.
- Erstellt von
- Georgia Droudis
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