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This Concept Map, created with IHMC CmapTools, has information related to: Invertebrates- Group 2, Anthozoans Includes Corals & sea anemones, which occur as polyps, Holothuroidea ???? 5 rows of tube feet; some developed as feeding tentacles, Echinodermata ???? Echinoidea, Free-living species Prey on Small or dead animals, Insects Anatomy includes Several complex organ systems, Myriapods All Terrestrial, Asteroidea ???? Multiple arms radiating from central disc, Arthropoda Body plan Segmented body, hard exoskeleton, & jointed appendages, Arthropoda ???? Insects, Invertebrates ???? Porifera, Medusozoans Many jellies are Bioluminescent, Platyhelminthes Are Acoelomates, Structures Structre 5 Choanocytes, Do not self fertilize, so mostly reproduce sexually But sometimes Split in half to produce another, Molluscs Are Soft-bodied, but some are protected by a hard shell, Flat Worms Types Parasitic species, Echinodermata ???? Thin epidermis covers endoskeleton of hard calcareous plates, Porifera Live Fresh and marine waters, Chelicerates Bulk are Arachnids- includes scorpions spiders, ticks, and mites, Asteroidea ???? Sea stars & sea daisies