| insect developmental stage | | |
| insects | | |
| Which kinds of insects transmit dangerous diseases? | | |
| incomplete metamorphosis insects | | |
| Insects transmit infections. | | |
| reproduction of insects | | |
| complete metamorphosis insects | | |
| a compound eye, compound eyes | | |
| mouth system | | |
| mandibles | | |
| licking set | | |
| sucking set | | |