If the flow of energy in an arctic ecosystem goes through a simple food chain, perhaps involving humans, starts from seaweeds to fish to seals to polar bears, then which of the following could be true?
question 45 options:

a. polar bears can provide more food for humans than seals can.

b. the total biomass of the seaweeds is lower than that of the seals.

c. seal meat probably contains the highest concentrations of fat-soluble toxins.

d. seal populations are larger than fish populations.

e. the seaweed can potentially provide more food for humans than the seal meat can.