| A | B |
|---|
| Porifera | has ostia. osculum, spicules or sponging, filter feeder |
| Cnidaria | "flowers of the sea", stinging tentables, chunk feeder |
| Platyhelminthes | flatworm, one hole, acoelomate (no body cavity) |
| Nematoda | roundworm, two openings |
| Annelida | segmented worm, bilateral, true coelom |
| Arthropoda | jointed appendages, chitin, exoskeleton |
| Mollusca | soft body. foot in some, mantle |
| Echinodermata | spiny skin, water vascular system |
| respiratory system | exchanges oxygen and carbon dioxide |
| digestive system | breaks foods into molecules cells can use |
| circulatory system | transports oxygen, nutrients, wastes |
| skeletal system | makes blood cells-wbc, rbc, and platelets |
| excretory system | removes liquid N wastes from blood |
| nervous system | communication and interpretation |
| gastropoda | snail is an example of which class of animal? |
| pelecypoda | clam is an example of which class of animal? |
| cephalopoda | squid is an example of which class of animal? |
| insecta | grasshopper is an example of which class of animal? |
| diplopoda | milipede is an example of which class of animal? |
| chilopoda | centipede is an example of which animal class? |
| crustacean | lobster is an example of which animal class? |
| arachnida | spider is an example of which animcal class? |
