krill
kril
- n shrimp-like planktonic crustaceans; major source of food for e.g. baleen whales
- That, in turn, could threaten krill, shrimplike creatures that feed on phytoplankton and are a key link in Antarctica's food chain.
- Not only that, but most of the krill surrounding the bergs die natural deaths and float to the bottom of the sea--taking with them the globe-warming carbon dioxide pulled from the .
- Swarms of krill can be massive some the size of Rhode Island so oceanographers have suspected that their movements may cause significant ocean-mixing.