Answer :
Final answer:
Fossils of a certain species might be scarce due to limited fossilization chances and undiscovered excavation sites.
Explanation:
The absence of fossils for a certain species could be due to factors like limited fossilization opportunities, where the geochemistry of the time period may have hindered fossil formation for many organisms. Another reason could be a lack of discovery of excavation sites for these fossils, possibly buried in inaccessible locations.
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