| Instructions: After reading the description below, use the dichotomous key to determine the identity of the organism. The green arrow indicates which pair to make a selection from. When you click the radio button next to the choice, you will be taken to the next choice. When you reach a choice that identifies the organism, click submit to check your answers. If you have any choices wrong, the arrow will point to the place where you made the first wrong selection. |
| Specimen 2: A chewing insect with hardened, leathery forewings covering hindwings. Forewings have no veins, and meet in a straight line down the back. Abdomen lacks cerci. |