Assertion: spider monkey's thumb | /r/HasProperty | specialized adaptation
Facets:
value: really
type: DEGREE
Source sentences:
text: The abbreviated thumb is really a specialized adaptation; their ancestor had an opposable thumb, but over time, it has shrunk in size relative to other bones of the hand due to lack of use in their arboreal environment (Groves 1989; Tague 1997).
text: The abbreviated thumb is really a specialized adaptation; their ancestor had an opposable thumb, but over time, it has shrunk in size relative to other bones of the hand due to lack of use in their arboreal environment (Groves 1989; Tague 1997).