An Interesting Fact About Hearing

When animals first transitioned from water to land animals they had to develop ears, but not all these aquatic animals evolved in this way. To test if animals could still hear without a middle ear, scientists put speakers into water and played different frequencies. They observed that the auditory nerve in their brains would be stimulated differently when hearing different sounds. This whole experiment showcases that even before the development of ears animals could still hear under water.

I think it's really that even after animals have evolved to have middle ears, some animals such as the lung fish still hear via their lungs. I also think it's interesting how although they have a different approach to hearing, they still use the frequencies and vibrations to hear.

https://www.science.org/content/article/early-land-animals-heard-sounds-their-lungs


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