Looking at the aquatic food web below, where is energy starting in the food web A. Seagull, penguin, and elephant seal
B. Phytoplankton and seaweed
C. Blue whale and killer whale
D. Crabs, krill, Fish

Identify the advantages and disadvantages or renewable and nonrenewable energy resources

The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?

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