Answer:
The correct answer is option b) "The transient population is less likely to be affected by whale watching vessels".
Step-by-step explanation:
The five-year review of threats to the southern resident orca reports a list of the principal threats that these animals are exposed to. If the study was to be performed for transient whale populations it is likely that they would not be as much affected by whale watching vessels. Whale watching vessels' negative impact comes from people looking for whales close to the shore, the fact that transient whale populations live farther offshore in open waters will reduce their negative impact.