Assertion: killer whale | /r/CapableOf | detect density
Facets:
value: in the ocean
type: LOCATION
value: in order to understand the food
type: PURPOSE
Source sentences:
text: Echolocation allows killer whales to detect the speed, direction, size, density, elevation and type of object they are observing in order to better understand the food they are hunting and develop a strategy for capturing their prey.
text: Killer whales are known for their excellent echolocation abilities which allow them to detect the size, direction, speed, density and movement of various objects in the ocean.