Question

Paleontological studies us fossil pollen because

Answer 1

pollen grains have a 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 temperature and strong acids and alkali .

Answer 2

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Paleontology, also spelled palaeontology or palæontology, is the scientific study of life that existed prior to, and sometimes including, the start of the Holocene Epoch. It includes the study of fossils to classify organisms and study interactions with each other and their environments.