Assertion: penguin | /r/CapableOf | conserve energy
Facets:
Source sentences:
text: A study on Adélie and king penguins showed that penguins can regulate their air intake before a dive, vigorously flap their flippers during the initial descent to overcome positive buoyancy, and then passively ascend from a dive using the expanding air volume in their body to conserve energy.
text: To conserve energy while fasting, penguins may increase the time they spend sleeping.