The mimosa pudica is a leafy plant that responds to touch by closing up its leaves. This reflex is meant to shoo away insects that land on them. In an experiment, scientists dropped the plant 15cm and watch it close up when it hit the ground. However, the plant stopped closing after being dropped, as it seemed to learn that falling was not a real danger.
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Key Facts In This Video
The cumulative mass of plants is 1,000 times higher than that of animals on land on Earth. 00:13
Some plants seem to have memory. 02:00
Plants do not have brains, but they are able to solve problems, interact, and work in groups. 02:34