| Term | Definition |
|---|
| Cnidaria | A soft-bodied invertebrate with a radial body shape and several tentacles. |
| Platyhelminthes | A soft-bodied invertebrate with no radial body shape, segments and a flat shape. |
| Annelida | A radially shaped invertebrate with no legs, no tentacles and several segments. |
| Nematoda | A radially shaped and soft invertebrate with no legs, no tentacles and no segments. |
| Echinoderm | A hard bodied invertebrate with radial shape and no legs. |
| Mollusc | An invertebrate with no legs, no radial shape, often hard shelled. |
| Arthropoda | An invertebrate with legs. Has four classes. |
| Chordata | A vertebrate that has five classes. |
| Porifera | A soft invertebrate with no legs, no radial shape, no segments, no tentacles and has no internal organs. |
| Arachnida | Arthropods that have four pairs of legs. |
| Insecta | Arthropods that have three pairs of legs. |
| Myriapoda | Arthropods that have greater than five pair of legs - usually several tens or hundreds of leg pairs. |
| Crustaceae | Arthropods that have five pairs of legs. Very nice to eat. |
| Aves | Vertebrates that have feathers. |
| Fish | Vertebrates that have fins. |
| Mammals | Vertebrates that have fur or hair. Tend to take great care of their young, unlike other vertebrates. |
| Reptilia | Vertebrates that have scales but no fins. |
| Amphibia | Vertebrates that have no scales, fins, feathers or fur. |
| Animalia | The kingdom that all animals belong to. |
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