Assertion: walrus's flipper | /r/CapableOf | add much extra surface area
Facets:
Source sentences:
text: Low surface area to volume ratio (anatomical) - Being large means it is easier to stay warm by retaining heat generated by the metabolism, narwhals have a clean shape with only the flippers adding much extra surface area.
text: (anatomical) - Being large means it is easier to stay warm by retaining heat generated by the metabolism, narwhals have a clean shape with only the flippers adding much extra surface area.