Choose the correct answers from the alternatives given . The fossil record offers direct evidence for common descent because you can
A
Sometimes find common ancestors
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B
Trace the ancestry of a particular group
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C
See that the types of fossils change over time
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D
All of these
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Solution
The correct option is D All of these Fossils are the preserved remains of previously living organisms or their traces, dating from the distant past. Fossils document the existence of now-extinct species, showing that different organisms have lived on Earth during different periods of the planet's history. They can also help scientists reconstruct the evolutionary histories and ancestry of present-day species. For instance, some of the best-studied fossils are of the horse lineage. Using these fossils, scientists have been able to reconstruct a large, branching "family tree" for horses and their now-extinct relatives.