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).
ethic noun. C2 [C usually plural] a âsystem of âaccepted âbeliefs that âcontrol âbehaviour, âespecially such a âsystem âbased on âmorals: the (âProtestant) âwork ethic The ethics of âjournalism are much âdebated. He said he was âbound by a scientist's âcode of ethics. Publication of the âarticle was a âbreach of ethics.