| A | B |
|---|
| Porifera | name means "pore bearers", often asymmetrical, filter feeders |
| Cnidaria | tube shaped animals w/ stinging cells |
| Platyhelminthes | the flat worms,eg.,planaria |
| Nematoda (aschelminthes) | the round worms, often parasites |
| Annelida | the segmented worms,eg., the earthworm |
| Mollusca | fleshy body,many have shells, strong muscular foot |
| Echinodermata | "spiny-skinned", pentaradial symmetry, eg., sea stars |
| Arthropods | "jointed legs/articulated joints" greatest variety of species of any phyla |
| Insecta | class of arthropods w/ 3 body parts and 6 legs |
| Arachnida | class of arthropods w/ 2 body parts and 8 legs |
| Social insects | insects that live in groups and have different specific jobs |
| chiton | a mollusk with 8 shells |
| chitin | the material that forms the tough exoskeleton of arthropods |
| hermaphrodites | organisims that contain both male and female reproductive cells |
| bi-valves | mollusks with two shells |
| uni-valves | mollusks with one shell,eg.,abalone |
| a disadvantage of having an exoskeleton | organism at extreme risk when molting |
| pollination | process of plant reproduction that many insects help with |
| pentaradial,radial,bilateral | types of symmetry seen in body plans of many organisms |
| "filter feeders" | term used to describe organisms that eat by capturing bits of food as they drift by |
