Question

Why pollen grains can remain well preserved in fossils?

Answer 1

Answer:

Pollen grains have a two-layered wall.and the hard outer layer is called as exine and is made up of sporopollenin which is the most resistant organic material . There is no enzyme which degrades sporopollenin . Pollen grains are well-preserved as fossils because of the sporopollenin.

Answer 2

Pollen grains have a two-layered wall.and the hard outer layer is called as exine and is made up of sporopollenin which is the most resistant organic material . There is no enzyme which degrades sporopollenin . Pollen grains are well-preserved as fossils because of the sporopollenin.

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