| A | B |
|---|
| Arthropod | Organisms that have jointed legs and an exoskeleton |
| mandibles | Tough sharp parts on each side of an arthropod's mouth used for biting and chewing |
| complete metamorphosis | Stages of development of an insect that include egg, larva, pupa and adult |
| incomplete metamorphosis | stages in the development of an insect that include egg, nymph, and adult |
| camouflage | The ability to hide from enemies by blending in with the surroundings |
| cephalothorax | A body section in an arthropod where the head and thorax are combined to form one section |
| exoskeleton | Rigid outercovering of an arthropod |
| pupa | Stage in an insects life that follows the larva stage. it forms a covering around itself |
| pheromones | Chemical substance given off by insects and other animals to attract a mate |
| spiracles | pores in the abdomen of an insect through which air enters its body |
| molting | process by which arthropods shed their exoskeleton as they grow |
| larva | Stage of insect that develops from an egg; a catepillar |
| book lungs | Respiratory organs in an arachnid that resemble the pages of a book |
| nymph | A stage in the development of an arthropod where the organism resembles a small adult |
| chelicerae | special mouthparts of an arachnid |
| antennae | a feeler that is on the head of an invertebrate such as a curstacean or an insect that senses touch, taste or smell |
| compound eye | an eye composed of many light detectors |
| chitin | a tough material that makes up the exoskeleton of many arthropods |
