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this post was submitted on 07 Aug 2024
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How do we know that sound signals recorded aren’t just from the release of biomolecules? Using the nervous system to produce sound is a more intentional process than the release of biomolecules for chemical signaling, which is something even simple multicellular organism do
You're right that it doesn't have to be talking. But it is a sound cats and dogs can hear. They do hear the plant noise, which is cool.
It's cool to us.
I can absolutely confirm that neither cats nor dogs particularly enjoy hearing multiple frequencies in that range, as I use ultrasonic noisemakers to train dogs and cats. Both species have had specific individuals that reacted as though I had just beaten them, and all the individuals of both species reacted in such a way that it was clear that they would do just about anything to never hear those noises again.
That being said, I wonder if they could hear that frequency all the time and were freaked out that a human was shouting in plant language.
Maybe it has something to do with the volume. If plants are at, let's say, 40dB and you blast the animals with a 100 dB sound...