Assertion: mastodon's tusk | /r/ObjectUse | used in intraspecie
Facets:
value: such as fights over territory or mates
type: TRANSITIVE-OBJECT
Source sentences:
text: Tusks may have been used in intraspecies fighting for territory or mates and for display, to attract females and intimidate rivals.
text: The tusks may also have been used in intraspecies fighting, such as fights over territory or mates.