| A | B |
| Exoskeleton | A body covering, typically made of chitin, that provides support and protection |
| Molt | To shed an old exoskeleton so that it can be replaced with a new one |
| Simple eye | An eye with only one lens |
| Open circulatory system | A circulatory system that allows the blood to flow out of the blood vessels and into various body cavities so that the cells are in direct contact with the blood |
| Statocyst | The organ of balance in a crustacean |
| Gonad | A general term for the organ that produces gametes |
| Hey, there! | What's your name? |
| I'm Bob. | I am Sam! Sam I am! I like green eggs and ham! |