1 / 2

Echinoderms

Echinoderms These are marine animals, and they have a thin layer of skin over laying an endoskeleton. They are prickly and bumpy. Have a water vascular system These are hydraulic canals that branch into tube feet which are responsible for movement, feeding, and gas exchange.

laurel-mckee
Download Presentation

Echinoderms

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Echinoderms • These are marine animals, and they have a thin layer of skin over laying an endoskeleton. They are prickly and bumpy. • Have a water vascular system • These are hydraulic canals that branch into tube feet which are responsible for movement, feeding, and gas exchange. • As larvae they have bilateral symmetry (they are symmetrical on either half). As adults they have radial symmetry (they always look the same no matter which way you look at them). • Echinoderms have a true digestive system, in fact they are deuterostomes. • Clever way: • Twinkle twinkle little sea star, • Rough and bumpy that you are • You have two kinds of symmetry, • You’re a deuterosome like me. • Twinkle twinkle little sear star, • Rough and bumpy that you are.

  2. Examples Brittle Star Sea Stars Sea Urchin Sea Cucumber Feather Star Sand Dollar Sea Daisy

More Related