Do Plants Think? (2024)

Today’s Wonder of the Day was inspired by Murp. Murp Wonders, “Can Plants Think?” Thanks for WONDERing with us, Murp!

When you think of the smartest organisms in the world, what comes to mind? Human beings probably are at the top of your list. You might also think about animals like dolphins, chimpanzees, and elephants.

You probably don't think of plants. After all, you probably haven't had very many interesting conversations with a head of lettuce or a stalk of celery. When you think about it, though, plants do some amazing things.

Plants know when to grow up out of the ground when the time is right. Some plants even hunt and trap insects. Do plants have brains? Can plants think? Or is something else going on here?

Plants do not have brains like human beings do. They cannot think like human beings either. They can, however, contain extremely complex mechanisms that allow them to do amazing things.

Although plants don't have brains, they can tell time! Plants have time-sensitive genes that let them know when to suppress growth.

After a certain number of cold days pass, for example, these genes stop suppressing growth and allow for new growth to begin. Similar mechanisms let plants know when to drop their leaves and seeds, as well as when to open and close their petals on a daily basis.

Carnivorous plants, such as the Venus flytrap, can lie in wait and spring closed to trap insects and sometimes even frogs. They don't use brains to accomplish this complex task, though.

Instead, finely-tuned hairs are triggered by their prey. When triggered, internal mechanisms cause the Venus flytrap's unique leaves to snap shut quickly to trap its prey.

This mechanism is so advanced that it requires two different hairs to be contacted within 20 seconds of each other in order to trigger the process. This prevents accidental triggering when no real prey is present.

If these examples weren't impressive enough, Polish plant biologists recently released the results of research that they claim shows that plants can remember information and react to it. They believe plants may use an internal communications system that acts in a way similar to an animal's central nervous system.

Researchers claim their studies show that a plant can remember information about light exposure, for example. When the time is right, plants can transmit that information to other parts of the plant.

Although much research remains to be done regarding plant intelligence, it appears that plants may possess very complex systems that, while not equivalent to thought that comes from a brain, allows for some interesting plant behavior that may have never been suspected before.

Wonder What's Next?

Tomorrow’s Wonder of the Day celebrates the creativity of the human mind!

Do Plants Think? (2024)

FAQs

Do Plants Think? ›

Plants do not have brains like human beings do. They cannot think like human beings either. They can, however, contain extremely complex mechanisms that allow them to do amazing things. Although plants don't have brains, they can tell time!

Are plants able to think? ›

The answer is yes. In a sense, plants are able to think by perceiving their environment and making decided changes in order to thrive. But when it comes to whether plants can think, plant thought is not at the level of sentience, or self-awareness, like it is for humans and animals. Plants are masters of survival.

Do plants think or have memory? ›

It determined that plants can, indeed, make memories, and can display their memory recall though learned response. Better yet, they were able to learn quickly – in as little as one day. Lack of nervous system aside, the mimosa pudica, or “sensitive plant,” started displaying learned responses in as little as one day.

Do plants react to thoughts? ›

He conducted interviews with people, instructing them to lie part of the time, and the plants told him when they were lying. He showed that plants have a memory for different people, and that plants read the minds of their “caretakers” even from thousands of miles away.

Are plants aware they exist? ›

All organisms in natural circ*mstances, animals, plants and bacteria, are aware of changes in their environment and respond by changing behaviour.

Can plants feel pain? ›

Given that plants do not have pain receptors, nerves, or a brain, they do not feel pain as we members of the animal kingdom understand it. Uprooting a carrot or trimming a hedge is not a form of botanical torture, and you can bite into that apple without worry.

Are plants smarter than we think? ›

Some scientists now posit that plants should likewise be considered intelligent. Plants have been found to show sensitivity to sound, store information to be accessed later, and communicate among their kind—and even, in a sense, with particular animals.

Can plants feel human presence? ›

One of the most fascinating aspects of plant behavior is their capacity to perceive and respond to external stimuli, such as light, sound, and touch. However, the extent to which plants can detect and respond to the movements of nearby organisms, particularly humans, is not yet clear.

Do plants have any intelligence? ›

Of course plants are intelligent, as much as bacteria and amoebas, and fish and birds and humans. So the idea of intelligence not being about asking questions in a particular language, but more about responding to different environments and being reactive?

How do plants see us? ›

Plants have special structures called photoreceptors that detect an array of wavelengths, allowing them to sense light. A wide range of photoreceptors exist including phytochromes, cryptochromes, phototropins and ultraviolet-B receptors that allow plants to detect visible, far red and ultraviolet light.

Can plants feel anxiety? ›

Plants get stressed, too. While we don't know much about their sensory mechanisms, we do know they can be overstimulated and get stressed.

Can plants feel your touch? ›

Plants can communicate and respond to touch.

Do plants mind being touched? ›

Your plants really dislike when you touch them, apparently. A new study out of the La Trobe Institute for Agriculture and Food has found that most plants are extremely sensitive to touch, and even a light touch can significantly stunt their growth, reports Phys.org.

Are plants aware of being eaten? ›

According to a new study from the University of Missouri, plants are able to sense when they are being eaten and utilize defense mechanisms in an attempt to prevent it from happening. Plants recognize the sound of herbivores feeding on their leaves, and then use their tissues to send our vibrations.

Can plants think about the past? ›

In plant biology, plant memory describes the ability of a plant to retain information from experienced stimuli and respond at a later time. For example, some plants have been observed to raise their leaves synchronously with the rising of the sun. Other plants produce new leaves in the spring after overwintering.

Are plants telepathic? ›

Plants influence each other in many ways and they communicate through “nanomechanical oscillations” vibrations on the tiniest atomic or molecular scale or as close as you can get to telepathic communication.

Could a plant become intelligent? ›

Yes, they could. But it's highly, HIGHLY unlikely plants would evolve sentience. Plants would only evolve sentience if the ecosystem around them benefitted plants with sentience(and thus allow natural selection), which it doesn't, and probably never will.

Can a plant become intelligent? ›

Intelligence of the individual organism can then be broken down into three separate but complex systems: behaviour–adaptability–environments. These three systems integrate the individual plant into a very complex emergent property that we call intelligence.

Do plants have thoughts and emotions? ›

Plants are more than just stationary objects that make the world look beautiful. Research has shown that plants are complex organisms that can feel, communicate, and respond to their environment. In fact, plants can feel emotions too. This might sound surprising, but it is true.

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