Assertion: dichotomous key | /r/HasProperty | useful
Facets:
value: very
type: DEGREE
value: for identifying an organism
type: PURPOSE
Source sentences:
text: Dichotomous keys are very useful because they allow non-expert users to identify organisms by directing them to look at the known, important organisms.
text: Dichotomous keys are very useful for identifying an organism as a member of a single, closely-related group of organisms.