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Don't worry, they can't actually see you. Before we share the evidence, we should back up: This isn't really anything new. Way back in , Francis Darwin — the son of the one and only Charles Darwin — argued the same thing. He theorized that plant leaves have organs made up of lens-like cells and light-sensitive cells, organs now called ocelli. You can see ocelli, sometimes called simple eyes, in all sorts of animals; some arthropods have them , for example, as do sea creatures like jellyfish and sea stars. But plants? Now that would be surprising.

The Eyes of the Forest

Darwin's theory was all but forgotten until recently, when a new wave of something called plant neurobiology started gaining steam. Exhibit A: Earlier in , researchers discovered that an ancient species of cyanobacteria actually act like tiny lenses in what is "probably the world's smallest and oldest example of a camera eye. Exhibit B, according to Scientific American , is that "some plants, such as the cabbage and mustard relative Arabidopsis, make proteins that are involved in the development and functioning of eyespots — the ultrabasic eyes found in some single-celled organisms such as green algae.

We don't know that it uses vision to achieve this, but it's a possibility. Recent scientific research has proven that plants are way more complex than we give them credit for. There's a lot more going on in those leaves and roots than we previously thought. Get stories like this one in your inbox or your headphones: sign up for our daily email and subscribe to the Curiosity Daily podcast.


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Printable Worksheets:

Show students the book Seeing by Rebecca Rissman. Explain that it is a nonfiction book, which means the information is true.

Vision: Crash Course A&P #18

Read and discuss the book paying particular attention to certain facts either mentioned in the book or brought up in discussion:. Then pair your students up with a partner. One student in each pair will wear a blindfold. The sighted student acts as a guide.


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  • Remain this way for about ten minutes. You may take a walk down the hall, around the room or out to the playground. Did they find that they used more of their other senses?

    Vision Is Our Dominant Sense | BrainLine

    Then switch places and repeat the activity. Eyes Closed Worksheet: What I should never do with my eyes closed! Students think of activities that would be dangerous without the sense of sight. Things to See: Write and illustrate your favorite thing to see at home, at school and outside. Extra Eye Facts:. Extra Activities:. Graph the eye colors of the students.

    How to cope with a decreasing sense of sight

    Use a large chart or a white board. To make a bar graph, write the eye colors across the bottom: brown, blue, green or hazel. Students write their names in the correct color column based on their eye colors. Which eye color is the most represented? The least?


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    Play I Spy! Rissman, Rebecca. Heinemann Library,