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| 818255980 | Phylum Cnidarian | corals, jellyfish, & hydras; radially symmetric & diploblastic; 2 body plans : Polyp & Medusa, animals whose stinging cells are used to capture their prey and defend themselves, and who take their food into a hollow central cavity., A. Radially symmetric, diploblastic B. Two distinct body plans (medusa & polyp) C. Rudimentary Digestive tract / circulatory system called gastrovascular cavity D. Nervous system - nerve net & ocili E. muscle-like structures F. Cnidocytes contain nematocysts g. gastrovascular cavity: functions both in digestion an dcirculation | 1 | |
| 818255981 | Phylum Nematoda | roundworms; bilaterally symmetrical; cylindrical body; gut with 2 openings; many parasitic; most are aquatic; example: hookworm, roundworms; bilaterally symmetrical; cylindrical body; gut with 2 openings; many parasitic; most are aquatic; example: hookworm | 2 | |
| 818255982 | Phylum Platyhelminthes | flatworms; bilateral symmetry; three cell layers; one opening; parasitic; ex. tape worm, planarian, flatworms; bilateral symmetry; three cell layers; one opening; parasitic; ex. tape worm, planarian | 3 | |
| 818255983 | Phylum Porifera | sponges; sessile (attached at base; don't move); 2 layers; filter feeders; body with pores, sponges; sessile (attached at base; don't move); 2 layers; filter feeders; body with pores | 4 | |
| 818255984 | radial symmetry | body plan in which body parts repeat around the center of the body; characteristic of sea anemones and sea stars, body plan in which body parts repeat around the center of the body; characteristic of sea anemones and sea stars | 5 | |
| 818287522 | Phylum Annelida | little rings, Head and tail with similar body segments, have closed circulatory system | 6 | |
| 818287523 | tissues | groups of specialized cells and cell products that work together to perform specific functions | 7 |
