| Diplosegments | | last larval stage before juvenile in saltwater Decapods |
| zoea | | direct development that is found only in Hemiptera |
| Branchiostegite | | small food is absorbed and final digestion takes place, also site of enzme production |
| HemimetabolousDevelopment | | gills found in the branchial chamber that are an extension of the carapace |
| Haltenes | | segments resulting from the fusion of adjacent segments with 2 pr of feet, 2 pr of gangalia, etc; found in Diplopoda |
| protozoea | | enriched diet given to bees for the first three days but it later restricted to workers |
| chelipods | | gas exchange system in Insecta that breaks down into trachial tubes and is open to the surface |
| Megalops | | gill that attaches to the body wall, Decapods |
| proventriculus | | larval stage that follows zoea in Decapods |
| HolometabolousDevelopment | | larval larval stage in Peneaus, equivalent to zoea in crabs |
| Mysis | | larval stage that follows hatching in Peneaus, lasts 5 instars |
| pleurobranch | | dance that shows a specific direction and distance from the hive, first noted by Karl Von Frisch |
| scaphognathite | | pincers in Decapods, the first pair of pereiopods |
| hepatopancreas | | found at the base of antennules and used for equilibruim in Decapods |
| Nauplius | | plankotic larval stage in Decapods that follows spawning and lasts 5-6 instars |
| Urihayline | | incomplete metamorphosis in dragonflys, stone flys, and damsel flys |
| QueenSubstance | | located at the base of walking legs and can pull water out of damp soil to branchial chamber, Decapods |
| Elytra | | 2 gills that attach to articulating membrane, Decapods |
| Gonopods | | complete metamorphosis in beetles, mosquitos, wasps and bees |
| Arthrobranch | | 1st and 2nd pair of appendages used for copulation in males and brooding in females, Decapods |
| spiracles | | wing covers in beetles, located on the mesothorax, Uniramia |
| RoundDance | | wins located on the metathorax and used to stabilize in flight |
| Puerulus | | pharamone the Queen produces that will be picked up by workers to inhibit growth of reproduction system |
| PaurometabolousDevelopment | | gills that attaches to the coxa |
| podobranch | | corrosive chemcical used as a defensive mechanism in Diplopoda |
| statocysts | | dance used by bees to show location of food close to hive, first noted by Karl Von Frisch |
| CapillarySetae | | pre-zoea stage in Peneaus that follows the Nauplis, lasts three instars |
| Labium | | flattened appendages attached to the base of the 2nd maxillia that draws in water, Decapods |
| RoyalJelly | | animals capable of withstanding various salinities, usually Decapods and Callinectes |
| RepugnantorialGlands | | part of the digestive tract in Insecta that is used to grind up food |
| WaggingDance | | head appendage in Insecta that is similar to 2nd maxillae |
