| A | B |
|---|
| animals | multicellular organisms that obtain food by eating other organisms |
| carnivore | meat eater |
| herbivore | plant eater |
| omnivore | both plant and animal eater |
| predator | animals that hunt and kill other animals |
| prey | animals that other animals feed upon |
| organ | a group of different tissues that work together to perform a specific job |
| adaptation | a characteristic that helps an organism survive |
| invertebrate | an animal that does not have a backbone |
| vertebrate | an animal that has a backbone |
| bilateral symmetry | has one line of symmetry that divides an object into halves that are mirror images |
| radial symmetry | has many lines of symmetry that all go through a central point |
| asymmetrical symmetry | has no lines of symmetry |
| sponge | an animal that has asymmetrical symmetry |
| larva | immature form of an animal that looks very different from the adult |
| cnidarian | animals that have stinging cells and take their food into a hollow central cavity |
| polyp | animal shaped like a vase with the mouth opening at the top |
| medusa | a bowl shaped cnidarian with mouths that open downward |
| corals | cnidarians with hard skeletons around their soft bodies |
| regeneration | ability to regrow body parts |
| anus | an opening where wastes exit |
| flatworms | worms that have flat, soft bodies |
| roundworms | have a digestive system like a tube open at both ends |
| segmented worms | have bodies made up of many linked sections |
| planarians | non-parasitic flatworms |
| phyla | major groups |
