Assertion: mayfly nymph | /r/HasProperty | important food source
Facets:
value: in the energy transfer cycle
type: TEMPORAL
Source sentences:
text: Mayfly nymphs are an important food source for subsurface feeding trout.
text: Mayfly nymphs are important in the energy transfer cycle that occurs in freshwaters.
text: Mayfly nymphs are an important food source for subsurface feeding trout.