An organisms contains carbon molecules which have passed through three levels of ecosystem, the organisms is ____

The primary trophic level consists of producers such as plants. They synthesize their own food. From first trophic level to carbon molecules pass to second tropic level. This trophic level consists of primary consumers which feed on producers. From second trophic level, the carbon molecules pass to third trophic level. This trophic level consists of secondary consumers which feed on primary consumers. Tertiary consumers occupy fourth trophic level. These contain carbon molecules which have passed through three levels of ecosystem.