5. Which of the following reasoning statements are accurate and support the ecologist's claim? Highlight all that
apply
a. The amount of energy that flows increases up the food chain from the pond algae to the fish to the
snakes to the hawks.
b. The hawk population is higher during years the energy in the first trophic level is higher and lower
during years the energy in the first trophic level is lower.
C. Approximately 10% of the energy at each trophic level is available to the next higher trophic level,
d. The amount of energy in the first trophic level has little to no impact on the amount of energy
available to the population at the fourth trophic level in a food chain.