The fossil record from the grand canyon shows that organisms in group D were able to survive and remain relatively stable for the longest duration.
Fossils are remains of plantsand animals that have been preserved for a long time within rocks and underground.
The fossils records found in the grand canyon shows that the organisms in group D remained relatively unchanged while other organisms either went extinct or kept undergoing changes in their population.
Therefore, it can be concluded that the organisms in group D were able to survive and remain relatively stable for the longest duration.
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