Organ system is the answer
Quaternary or fourth order consumers are those who occupy the fourth position in the trophic level or food chain, that is, they are species or organisms that feed on tertiary consumers
The correct answer for this question would be option C. The environmental <span>condition that contributed to the heat wave experienced in Europe and the thousands of deaths in France is air pollution. A heat wave is when there is a prolonged period of abnormally hot weather. In this case, air pollution, having chemicals present in the air, contributed and worsen the heat wave. Hope this helps.</span>
