Assertion details
Summary
lion's family hone 1 their hunting
PURPOSE
to require minimal energy 1
1 facets
Facet Type Facet cluster
to require minimal energy 1 purpose
1 triples in cluster
family hone their hunting 1
1 source sentences
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Object: Shown
Facet: Shown
  • SRC Once they start to learn something , orcas will keep perfecting the skill , and this family has honed their hunting to require minimal energy , " says Olga Shpak , a biologist at the Severtsov Institute of Ecology in Russia who saw the hunt firsthand in the Okhotsk Sea .