| A | B |
| animal with a backbone | vertebrate |
| lines the inside of a sponge | collar cells |
| a stage in development between egg and adult | larva |
| remaining attached to one place | sessile |
| name of sponge phylum | Porifera |
| ability of an organism to replace body parts | regeneration |
| an animal that produces both sperm and egg | hermaphrodite |
| name of cnidarian phylum | Cnidaria |
| surrounds mouth of cnidarian and has stinging cells | tentacles |
| tentacles of cnidarian hang down | medusa form |
| tentacles of cnidarian point up | polyp form |
| organism that does not depend on another for food or a place to live | free-living |
| organism that obtains food by filtering it from the water in which it lives | filter-feeder |
| example of a filter feeder | sponge |
| animal that doesn't have a backbone | invertebrate |
| opening at the end of digestive tract where wastes leave | anus |
| larva with a protective covering | cyst |
| organism that cannot make its own food by photosynthesis | heterotroph |
| organism that can make its own food by photosynthesis | autotroph |
| moving from place to place | locomotion |
| made of many cells | multicellular |
| made of only one cell | unicellular |
| cells contain a "true" nucleus | eukaryote |
| cells lack a "true" nucleus | prokaryote |
| hookworm, dog heartworm and pinworm | roundworms |
| tapeworm, fluke and planarian | flatworms |
| hydra, jellyfish, coral and sea anemone | cnidarians |
| name of roundworm phylum | Phylum Nematoda |
| name of flatworm phylum | Phylum Platyhelminthes |
| free-living flatworm | planarian |
| body sections of tapeworms | proglottids |
| organism parasite depends on for food or a place to live | host |
| stinging cells that cnidarians have | nematocyst |
| small openings covering the body of a sponge | pores |
| "whips" on collar cells | flagella |
| symmetry of an animal with top, bottom, head and tail | bilateral |
| symmetry of an animal with no front, back, right or left | radial |
| no symmetry | assymetrical |
| growth on side of an organism that breaks off and grows into a new organism | bud |
| includes egg, larga, and adult | life cycle |