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This Concept Map, created with IHMC CmapTools, has information related to: Invertebrates- Group 3, Lophotrochozoa Flatworms Platyhelminthes, Platyhelminthes ???? Have a central nervous system that processes information from sensory structures, Arthropoda ???? they are animals with a hard exoskeleton, sregmented body, and joined appendeges., Invertebrates Echinoderms & Chordates Deuterostomia, Cnidaria Radial body plan Gastrovascular Cavity, Annelida worms seperated from other worms by body segmentation, they are animals with a hard exoskeleton, sregmented body, and joined appendeges. ???? their results from the arthorpods are that the body plan did not arise from Hox Genes, Deuterostomia Two basal groups of invertabrates Chordata, Annelida worms Consist of Earthworms and other marine/fresh water species, Among the most ubquitous animals or round worms are found in the soil, in the moist tissue of plants, and in the body fluids and tissue of animals. ???? The body wall muscles are all longitudinal, and their contraction produces a thrashing motion. and examples are Pinworms and Hookworms., Invertebrates Exhibit bilateral symmetry & triploblastic development Lophotrochozoa, Lophotrochozoa Little rings Annelida, Arthropoda ???? The earliest fossil form is from the cambium explosion which are at least from (535-525). and when they started to grow it became a functional "body region" for walking, feeding,or swimming., Echinodermata Slow moving or sessile marine animals Water Vascular system is very unique and it is where a network of hydraulic canals branching into extensions called tube feet. There fuunction is movement & feeding., Ecdysozoa most successful animals on the planet Arthropoda, tapeworms, planarlans fluke ???? Have a bilateral symnetry, Chordata ???? Bilaterally symetrical coelomates with segmented bodies, tapeworms, planarlans fluke ???? have no body cavity or specialized organs for circulation, Deuterostomia Starfish Echinodermata, Nematoda a Among the most ubquitous animals or round worms are found in the soil, in the moist tissue of plants, and in the body fluids and tissue of animals.