Why Might Krill Be More Abundant Now Than 100 Years

Question

Why might krill be more abundant now than 100 years ago?
A) Fishing for krill has been declared illegal and has ceased recently
B) Krill may have been exploited by baleen whales, which were severely overfished
C) Krill used to be eaten for health food reasons but that is no longer true
D) All of the above

Accepted Answer

Krill populations may have increased due to the severe overfishing of baleen whales, which are major predators of krill. With fewer whales to consume them, krill populations could have grown.