The Grand Tapestry of Macroevolution

In this episode, the focus is on macroevolution, which deals with larger scale evolutionary changes compared to microevolution. Macroevolutionary changes can give rise to new species, and its results can be seen in the fossil record. By piecing together fossils, researchers can observe macroevolutionary patterns, predict transitional organisms, and even locate potential fossil sites. Whales provide a compelling look at macroevolution, as their evolution from land-dwelling mammals to aquatic giants is documented in the fossil record. The journey of whales, from the wolf-sized Pakicetus to the fully aquatic Basilosaurus, showcases the power of macroevolution.

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