Fossil pollen has revealedsome species have remained unchanged for 180 million years
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Fossil pollen has revealed
some species have remained unchanged for 180 million years
some species have remained unchanged for 180 million years
Full Transcript
00:00:01.000 --> 00:00:04.064
Fossil pollen has revealed
some species have remained unchanged
00:00:04.072 --> 00:00:06.008
for 180 million years.
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