Given below is a food web representative of the Arctic region.

Increasing temperatures have been causing changes in the ocean ecosystem. These changes have caused the population of Arctic cod to decline rapidly.
Which of the following statement/s is/are most likely to be TRUE based on this information?
(P) The population of arctic birds will increase.
(Q) The ringed seal will slowly become extinct.
(R) The harbour seal will be dependent on capelins alone.

Options

A. only P
B. only R
C. only Q and R
D. all - P, Q and R