| A | B |
|---|
| A gland that causes metamorphosis to take place | thyroid |
| sensory appendages in spiders | chelicerae |
| the meaning of the word arthropod | jointed feet |
| hollow fange in spiders | pedipalps |
| delivers sperm to spiders | pedipalps |
| sessile crustaceans | barnacles |
| the phylum of insects | arthropods |
| belongs to the class arachnida | tick |
| belongs to the diplopoda class | millipede |
| belongs to the chilopoda class | centipede |
| sensory organs for hearing in the grasshopper | tympanum |
| structure in grasshoppers that digs a hole to deposit eggs | oviposter |
| hard external skeleton that prevents water loss in arthropods | chiton |
| true jaws | mandibles |
| substances that act as a chemical language | pheromones |
| three body sections of an insect | structural adaptation |
| insects working together | society |
| means of bee communication | complex dances |
| a structure that starfish and crayfish have | digestive gland |
| a structure that only starfish have | ring canal |
| the order to which the grasshopper belongs | orthoptera |
| the order of the termites | isoptera |
| this order contains insects that destroy harmful insects | odonata |
| this order has complete metamorphosis | diptera |
| this order contains butterflies | lepidoptera |
| this order has insects that prey on other insects | coleoptera |
| this order contains true bungs | hemiptera |
| this order has incomplete metamorphosis | homoptera |
| this order has complete metamorphosis | lepidoptera |
| some of these insects carry disease | diptera |
