Question

during a excavation assignment scientist collected pollen grains of a plant preserved in deeper layer of the soil. Analise the properties of pollen grains. which will help in fossilisation

Answer 1

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. It can withstand high temperatures and strong acids and alkali. No enzyme that degrades sporopollenin is so far known. Pollen grains are well-preserved as fossils because of the presence of sporopollenin.    


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Answer 2

It has two layers The outer is Exine and the inner is Intine and the outer layer Exine is made up of Sporopolenin which can also be preserved as Fossil ..

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