All of the following are important properties of prokaryotes except
A. prokaryotes convert nitrogen - containing molecules into forms that can't be used by other organisms
B. prokaryotes form the base of many food chains, especially those within the open ocean
C. prokaryotes are used to make many products for humans
D. prokaryotes are often decomposers and enable recycling of nutrients

Use this dichotomous key for insect identification to identify the insect shown. 1. a. insect has one pair of wings. order diptera b. insect has two pairs of wings. go to #2 2. a. front wings thicker in texture than hind wings go to #3. b. front and hind wings are same texture throughout. go to #4 3. a. front wings are short order dermaptera b. front wings cover entire abdomen order coleoptera 4. a. wings with scale on all parts of their area. order lepidoptera b. wings without scales go to #5. 5. a. hind wings smaller than front wings. order ephemeroptera b. front and hind wings nearly equal in size. order odonata the insect pictured is in the order diptera. ephemeroptera. coleoptera. odonata.