1, "One whale kills everything", because after the whale dies, it slowly sinks from the sea surface to the bottom of the sea, which can nourish many creatures, especially marine benthos.

3. A 40-ton whale sinks into the deep sea, which is equivalent to the natural deposition of organic matter in the same area for at least 2000 years. In the deep sea, not only whale meat can be used as food, but also bones can be eaten by polychaetes and crustaceans. Moreover, they can also use whale falls as a shelter from natural enemies; Anaerobic bacteria can slowly decompose in whale remains and release sulfide; Some bacteria can convert these sulfides into organic matter and feed local ecological groups.