Question

Why pollen grains can remain well
preserved as fossil?
$log( \cot( \infty \\ ) )$
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Answer 1

Pollen grains are well-preserved as fossils because of the presence of sporopollenin. Pollen grains has a prominent two-layered wall. The hard outer layer called the exine is made up of sporopollenin which is one of the most resistant organic material known. ... No enzyme that degrades sporopollenin is so far known.

Answer 2

Answer:

because Pollen grain has resistant organic material in their outer wall.

Explanation:

it has been studied that the outer layer of 2 layers contain sporopollenin which is the toughest material which can withstand high temperature and pressure.