| __ | 1. | annelids | | A. | sponges | | __ | 2. | aortic arches | | B. | rope-like pieces of tissue used to obtain food | | __ | 3. | nematodes | | C. | heart of an earthworm | | __ | 4. | platyhelminthes | | D. | segmented worms | | __ | 5. | porifera | | E. | round worms | | __ | 6. | tentacles | | F. | flat worms |
| __ | 7. | bilateral symmetry | | A. | flat, cross-eyes worm | | __ | 8. | coelenterates (cnidarians) | | B. | right and left sides are equal | | __ | 9. | planaria | | C. | give structure and support to a sponge | | __ | 10. | spicules | | D. | get from uncooked pork | | __ | 11. | trichina worm | | E. | jellyfish |
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