Simplify the following text for a Grade 7 native English-speaking person.
Original: The stigma receives pollen at pollination and it is on the stigma that the pollen grain germinates .
Simplified: The stigma can be either hairy or sticky , both to trap pollen . When the pollen lands on the stigma , the pollen will grow a pollen tube down the style , and into the ovary of the pistil .