Which of the following is not true about the matter in ecosystems?

A) matter is recycled over and over in ecosystems

B) Biogeochemical cycles transfer or use nutrients in ecosystems

C) matter in an ecosystem flows in one direction and is never reused

Cattle with brown fur and cattle with white fur will produce a reddish roan calf . when examined closely, the calf show about an even number of brown hairs and white hairs that give a reddish appearance when viewed from far away. the fact that both the brown fur allele and the white fur allele are expressed equally in the offspring is an example of