![Pollen grains can be preserved as fossil because](https://www.gkseries.com/blog/wp-content/uploads/2023/09/Pollen-grains-can-be-preserved-as-fossil-because.jpg)
Pollen grains can be preserved as fossil because
Option 1 : They vary from species to species
Option 2 : They have variety of architecture
Option 3 : They are made up of sporopollenin
Option 4 : They exhibit a fascinating array of pattern and design