Echinoderms: Sea Stars And Their Relatives (Rev, 1987)
The film explores the fascinating world of echinoderms, focusing on sea stars and their relatives, such as sea urchins and sand dollars. It describes their unique body structures, including radial symmetry and spiny skin, and explains their locomotion through a water vascular system. The film highlights their feeding habits, particularly how sea stars digest clams, and their remarkable regenerative abilities. It also touches on their reproductive methods and significance in scientific research.
Keywords
echinoderms, sea stars, sea urchins, sand dollars, radial symmetry, spiny skin, water vascular system, locomotion, feeding habits, regeneration, reproduction, scientific research
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