| A | B |
|---|
| Echinodermata | spiny skinned, radial complete open none, ex: sanddollar |
| Annelida | segmented worms, bilateral, complete, closed, skin ex: earthworms |
| Chelicerata | 2 part body, cephalothorax and head, bilateral, complete, open, book lungs, ex: arachnids |
| Playhelminthes | flat worms, coelomates, bilateral, incomplete, ex: tapeworms, flukes |
| Anthropods | joint appendeges, superphylum, chitin exoskeleton |
| Mollusca | soft bodied organisms, foot mantle visceral mass, bilateral, complete, open, gills, 3 types |
| Bivalves | (under Mollusca), connected by flexible hinges, ex: clams |
| Gastropods | (Mollusca), head-stomach organisms, usually have one shell, ex: snail |
| Cephalapods | (Mollusca), developed head and tentacles instead of feet, jet propulsion, ex: octopus |
| Uniramians | sub-phyllum under Anthropods, bilateral, complete, open, skin, 2 classes separated by segmentation |
| Myriapoda | class under uniramians, 2 part body, ex: centipede |
| Insecta | class under uniramians, 3 part body, head thorax abdomen, 75% of all animal, ex: grasshopper |
| Cnidaria | marine, specialized cells call cnidocyte which makes nematocyst or stinging structure, radial, incomplete, none, none, ex: jellyfish |
| Chordata | vertebrates, 4 key characteristics, 1-notochord, 2-nerve cord, 3-pharyngeal pouches, 4-tail, bilateral, complete, closed |
| Agnatha | (chordata class) jawless fish,2chamb heart, no paired fins, gills, ex: lamprey |
| Osteichthyes | (chordata class), bony fish, gills, 2chamb heart, paired fins, ex: seahorse, perch |
| Chondrichthyes | (chordata class) cartileginous fish, paired fins, 2 chambered heart, jaws, ex: shark or stingray |
| Amphibia | (chordata class) 1st vertebrates on land, need water for reproduction, 3 chambered heart, lungs/gills, metamorphosis |
| Porifera | no tissue or organization, filter feeders, asymetrical or radial, incomplete, none, none, ex: sponge |
| Nematoda | round worms, some free living, some parasitic, biradial, complete, none, none |
| Reptilia | (chordata class), 1st to successfully live on land, eggs are amniotic, dry scaley skin, ectothermic, lungs, 3 chambered heart, ex: turtle, lizard |
| Aves | (chordata class), evolved form reptilia, feathers instead of scales, endothermic, 4 chambered heart |
| Archosaura | (chordata class), direct descendant of dinosaurs, 4 chambered heart, parental care, ex: Croccodylia |
| Mammalia | (chordata class), hair and mammary glands (milk), endothermic, large brains, 4 chambered heart |
| monotremes | egg laying mammals- platypus |
| marsupials | pouch mammals- kangaroo |
| placentals | placenta grows in womb mammals, humans and dolphins |
| Crustacea | subphylum under anthropods, marine, 3 part body, 5 pairs of appendages, 2 antenae, bilateral, complete, open, gills, ex: lobster |
|
