Assertion: fur seal's underfur | /r/HasProperty | compact body shape
Facets:
Source sentences:
text: To be able to survive the extremely low temperatures thanks to evolutionary traits which include: thick, warm underfur, a compact body shape (which reduces its surface area/body volume ratio), shorter limbs and snout, shorter and more rounded ears, a bushy tail, thickly furred feet and a blood circulatory system that allows for heat exchange.