Orca skeleton. Image credit: Wikipedia.
Recent research suggests that even the killer whale, the 'wolf of the sea,' may have seen population crashes during the most recent ice age. Productivity (photosynthetic) is critical to the survival of the smallest animals in the world ocean through the largest.
Read on for more info from Science Daily: Article - Orca Populations
Here's another link to BBC Nature Video Collection - Killer Whales
