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sessile, asymmetrical, no true tissue (just cells living together), filter feed, reproduce asexually (hermaphrodite), and sexually
radial symmetry, 2 tissue layers (endoderm & ectoderm), either polyp or medusa, mouth, gastrovascular cavity, tentacles, cnidocytes, nematocysts, nerve net, reproduce asexually (budding) and sexually (egg and sperm)
3 tissue layers, BS, acoelomate, head, eyespots, cilia, mouth, pharynx, flame cells, reproduce by regeneration and egg & sperm
worms, coelomate, protostome, BS, closed circ. system, 3 tiss. layers, live in dirt or water
clitellum, pharynx, esophagus, aortic arches, crop, gizzard, ventral nerve cord, intestine, seta, nephridia, reproduce sexually but hermaphrodite
mollusca, have 2 shells, filter feed, adductor mussels (hold shell together) ex. oysters, muscles, scallops, clams
mollusca, have tentacles, radula and beak, closed circ. system, known as brainy invertebrates, ex. squid, cuttlefish
"jointed foot", millions of species, coelomate, protostome, 3 tiss. layers, exoskeleton that is molts, segmented (2, 3, or more segments), resperation, trachae (spiracles) book lungs or gills, have good sense organs (antenna & eyes), brain and ventral nerve chord, open circ. system, malphgian tubes, reproduce sexually (internal fert. on land but not in aquatic) ex. ant and lobster
arth., mostly live in water, 5 pairs of legs, ex. crab, shrimp, crawfish, lobster, barnicle
considered most successful arthropoda class, 3 body segs., 6 legs, wings, ex. bees, flies, skeeters, wasp, hornet, termite, go through metamorphosis
spiny skin, ex. starfish, sea star, brittle star, sea urchin sand dollar, BS, deuterostome, coelomate, water vascular system, tube feet
dorsal hollow nerve chord, notochord(become vertabrae backbone), pharyngeal gill slits, post anal tails
cartilage fish, lateral line, olfactory sense, placoid scales, ex. shark, ray, skate)
bony fish, olfactory sense, lateral line, swim bladder, buoyancy, opeculum, 2 chambered heart
metamorphosis, go to water to reproduce, 3 chambered heart, external fertilization, amplexus, ex. frog, toad, salamander)
amniotic egg (water proof), internal fert., partial septum in heart, ectothermic, Jacobson's organ, ex. lizard, snake, turtle, crocs, gator
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