Assertion: angiosperm's pollen | /r/HasProperty | tiny
Facets:
Source sentences:
text: I suspect that the angiosperms had tiny pollen and we're missing it," he told Live Science.
text: The adaptation that really led to an evolutionary leap was pollen, a tiny male gametophyte that, in its first versions, could be carried by the wind like spores to the female gametophytes.