[单选题]
The Arctic cod, ringed se6plzihj .q+,w4dc p3w al, killer whale, polar bear l apwok4xjsgr 3lfh,49-ah68and other organisms live and interact with eac a 6fhsx4h 8jpkaw-lg3,94lor h other in the cold waters of the Arctic Ocean. Which of the following terms best describes them?
A. Population
B. Community
C. Habitat
D. Ecosystem