Characteristic of Echinoderms

Characteristic of Echinoderms. Learning Objectives for this video:

• Characteristic of Echinoderms. Learn about Arthropods and Echinoderms. Gain an introduction to the classes of arthropods that include spiders, crustaceans, millipedes, and centipedes including crayfish, crabs, lobsters, shrimps, krill, barnacles, horseshoe crabs, scorpions, spiders, sea cucumbers, sea urchins and sea stars.
• Name animal species belonging to the classes Diplopoda, Chilopoda, and Merostomata.
• Identify animal species belonging to the class Crustacea and describe their characteristics.
• Describe the physical characteristics of arachnids and identify animal species belonging to the orders Scorpionida, Araneae, Opiliones, and Acari.
• Discover the basic features of echinoderms, explain the functions of their water vascular systems, and discover how the echinoderms differ from the more primitive invertebrates.
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