The presence of a thick, rich layer of humus in the soil profile would indicate an ecosystem that
Owould have similar flora and fauna to the tundra
has very low productivity
is relatively warm and moist
does not cycle nutrients

Plants transfer carbon in the carbon cycle a. through assimilation of carbon from the soil. b. when carbon transpires from their stomatae. c. when they are eaten by animals. d. through fixation of carbon in the soil.plants transfer carbon in the carbon cycle a. through assimilation of carbon from the soil. b. when carbon transpires from their stomatae. c. when they are eaten by animals. d. through fixation of carbon in the soil.