Assertion: fertilization | /r/AtLocation | flowering plants
Facets:
Source sentences:
text: For fertilization to occur in flowering plants, formation of pollen tube is necessary in the transferring of male gametes up to an egg cell.
text: In order for fertilization to occur in most flowering plants, insects or other animals must transport the pollen to the pistil.
text: Both pollination and fertilization occur in flowering plants.