What percent of energy is transferred between the levels indicated by the blue arrows? (3 points)
Food pyramid showing plants at the bottom level. Insects and snails are in the second ascending level. The small fish are in the third ascending level. Larger fish are in the fourth ascending level. The top level has a hawk. The blue arrows are pointing to the second and third level of the pyramid.
50 percent
90 percent
100 percent
10 percent