The microsporic pollen grain of the past obtain as fossil.Mention the characteristic of pollen grain that make it happens? Share with your friends Share 0 Jahirul Mazumder answered this Kindly refer the link below: https://www.meritnation.com/ask-answer/question/the-microscopic-pollen-grains-of-the-past-are-obtained-as-fo/biology/7049057 0 View Full Answer