What critical step do seals take immediately before beginning a deep dive to manage buoyancy?
Answer
They exhale before a dive
Seals reduce the amount of buoyant air in their lungs by exhaling before a dive, which is vital because the lungs are compressed by water pressure during descents.
Related Questions
To which biological family, characterized by visible external ear flaps, do fur seals belong?What fundamental adaptation allows fur seals to walk or run on all fours when hauled out on land?What is the primary source of thermal insulation used by fur seals to survive in cold ocean waters?Approximately how many insulating fibers per square centimeter can the dense coat of the Northern Fur Seal contain?What is the behavioral thermoregulation technique fur seals use while floating in the water to dissipate excess heat?What critical step do seals take immediately before beginning a deep dive to manage buoyancy?Which protein is responsible for efficiently storing oxygen within seal muscle tissue during a dive?What dramatic change occurs in the heart rate of seals during a dive to conserve oxygen for vital organs?What are the sensitive whiskers used by fur seals to sense movement in the water called?What percentage of the total energy in the milk produced by Northern Fur Seals can be accounted for by lipids?