How is the heart of a crocodile different from the heart of a turtle? a. the crocodile heart has a single atrium. b. the crocodile heart has three chambers. c. the crocodile has two completely divided ventricles. d. the crocodile heart does not carry blood to the lungs.

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