Boris (given name) Boris, Borys or Barys (Bulgarian, Russian, Serbian, Ukrainian: Ð±Ð¾ÑÐ¸Ñ; Belarusian: Ð±Ð°ÑÑÑ) is a male name of Bulgarian origin. Nowadays, it is most widely represented in Russia, Belarus, Bosnia and Herzegovina, Bulgaria, Croatia, Republic of Macedonia, Poland, Montenegro, Serbia, Slovakia, Slovenia, and Ukraine.
A trophic level refers to a level or a position in a food chain or ecological pyramid. It is occupied by a group of organisms that have a similar feeding mode. At the base of an ecological pyramid is trophic level 1. A food chain would start as well at trophic level 1. The trophic level 1 is occupied by the primary producers (e.g. plants).
-tropic or -tropous [Greek tropos turn, direction, way] Exhibiting a tropism in response to the sort of stimulus indicated by the stem or prefix (homotropous). -tropium [Greek tropos turn, direction, way] An organism exhibiting a tropism in response to the stimulus indicated by the stem or prefix (Heliotropium ).