bacteria from the fecal transplant can fill up the space in the gut, limiting the food and space for invading harmful bacteria.

Which is one example of a phenotypic change that is not genetic

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

Ascientific idea becomes valid when it is what?