The hypothesis that whales evolved from land-dwelling ancestors is supported by fossils of extinct whales that had small hind limbs.
<h3>Which fact provides the most compelling evidence that whales evolved from land-dwelling organisms?</h3>
The bony wall surrounding the ear was also present, proof of it being a whale. Drank a mix of freshwater and seawater. This discovery proved Darwin's theory - whales and dolphins descended from mammals that walked on land and that their ancestors had gradually evolved into animals living in the ocean, without legs.
The bone structure of both their skulls was similar. This suggests that in an earlier time whales and dogs could have evolved from the same organism. The common ancestor in the 2 animals shares notable traits.
To learn more about land-dwelling ancestors visit the link
