| A | B |
|---|
| spiracles | openings where air enters |
| pargthenogenesis | form of asexual reproduction |
| pheremone | chemical odor signal given off |
| tracheal tube | branching networks of hollow passages that carry air through body |
| appendage | structures that grow out of main part of body |
| chelipeds | pincer-bearing appendages |
| mandibles | serve as jaws |
| antennule | used as sensory appendages |
| swimmerets | aid in swimming and hold eggs |
| uropods | parts of tail |
| mandible | jaw of anthropod |
| Malpighian tubules | excretory organ |
| cephalothorax | fused head and thorax region |
| spinneret | used by spider to turn silk into thread |
| molting | shedding of old exoskeleton |
