echinoderm

Do All Echinoderms Have Tube Feet?

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Do All Echinoderms Have Tube Feet? Do all echinoderms have tube feet? All echinoderms have a water-vascular system, a set of water-filled canals branching from a ring canal that encircles the gut. The canals lead to podia, or tube feet, which are sucker-like appendages that the echinoderm can use to move, grip the substrate, or

What Does The Word Echinoderm Mean In Greek?

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What Does The Word Echinoderm Mean In Greek? What does the word echinoderm mean in Greek? The word “echinoderm” is made up from Greek ἐχινόδερμα, “spiny skin“, cf. ἐχῖνος, “hedgehog; sea-urchin” and δέρμα, “skin”, echinodérmata being the Greek plural form. The echinoderms are important both biologically and geologically. What does echinoderm mean in Greek? 1834,