Bacteria that get their energy from organic products and chemicals are called

What advantages does a pedigree have over a written passage?

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

What are levels of ecology and how can we remember them