Sea Otters Use Kelp as Anchors While Sleeping
Sea otters are keystone species in kelp forests. Kelp forests rely on the top-down pressure sea otters exert via predation on sea urchins. By controlling the sea urchin population, they help manage the grazing pressure on kelp, since sea urchins graze on kelp. Cuties Kelp forest ecosystems are able to flourish in the presence of ...
