Can plants talk to each other? - Richard Karban
View full lesson: http://ed.ted.com/lessons/can-plants-talk-to-each-other-richard-karban Can plants talk to each other? It certainly doesn't seem that way: They ...
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Can plants talk to each other? It certainly doesn't seem that way. Plants don't have complex sensory or nervous systems like animals do, and they look pretty passive, basking in the sun, and responding instinctively to inputs like light and water. But odd as it sounds, plants can communicate with each other. Just like animals, plants produce all kinds of chemical signals in response to their environments, and they can share those signals with each other, especially when they're under attack. These signals take two routes: through the air, and through the soil. When plant leaves get damaged, whether by hungry insects or an invading lawn mower, they release plumes of volatile chemicals. They're what's responsible for the smell of freshly cut grass. Certain ...
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Can plants talk to each other? It certainly doesn't seem that way. Plants don't have complex sensory or nervous systems like animals do, and they look pretty passive, basking in the sun, and responding instinctively to inputs like light and water. But odd as it sounds, plants can communicate with each other. Just like animals, plants produce all kinds of chemical signals in response to their environments, and they can share those signals with each other, especially when they're under attack. These signals take two routes: through the air, and through the soil. When plant leaves get damaged, whether by hungry insects or an invading lawn mower, they release plumes of volatile chemicals. They're what's responsible for the smell of freshly cut grass. Certain ...
