| 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 3: A free-living (not parasitic) crawling insect lacking wings, never observed to jump. The body is not flattened and there is no evidence of a waist in the abdomen, but the abdomen possesses long, threadlike tails. |