Which level of taxonomy has the fewest organisms?

the answer is species

domain
kingdom
genus
species -this is the correct answer

Why is it important to study each branch of earth science?

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

All eukaryotic cells contain small bodies called