Section 4 Deep-Sea Communities of Barkley Canyon This course will take you on a journey far away, to an underwater canyon off the Pacific coast of Canada. 4.1 Life at the Canyon’s Cold Seeps Open Lesson Take Quiz 4.2 How Human Activities Affect Cold Seep Ecosystems Open Lesson Take Quiz 4.3 How We Monitor Cold Seep Ecosystems in Barkley Canyon Open Lesson Take Quiz 4.4 Cold Seep Animals of Barkley Canyon and Where to Find Them Open Lesson Take Quiz