Changes on earth that influence populations of organisms, or evolution, can be divided into several categories. complete the analogy. slow and predictable: cataclysm - : catastrophism a) gradualism b) uniformity c) adaptive radiation d) punctuated equilibrium

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