Matching Pairs VocabularyOnline version Vocabulary by Roberto Carlos Flores Espinoza 1 Upwind /ˌəpˈwind/ 2 Caste /ˈkast/ 3 Trail /treɪl/ 4 Excocrine /ˈeksəˌkrin/ 5 Aphid /ˈāfid/ 6 Airborne /ˈerˌbôrn/ 7 Forage /ˈfɔːrɪdʒ/ 8 Gregarious /ɡrɪˈɡeəriəs/ Adj. Liking to be with other people. Adv. Adj. In the opposite direction to the way in which the wind is blowing. Adj. Transported by air. Adj. Producing, being, or relating to a secretion that is released outside its source. N. A very small insect that is harmful to plants. N. A specialized form (such as the worker of an ant or bee) of a polymorphic social insect that carries out a particular function in the colony. 1. Food for animals especially when taken by browsing or grazing Example: The grass serves as forage for livestock. 2. The act of foraging : search for provisions N. A long line or series of marks that is left by somebody/something.