extra credit lab.docx - Ashley Oliver Extra Credit The...

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Ashley Oliver Extra Credit The article, “Learning by Association in Plants”, was very interesting. The article talks about how plants have been recently found to obtain new behaviors that improve foraging efficiency for light. This is done through the non-associative learning process of habituation. In the first experiment, pea seedlings were introduced to 8 hours of light and 16 hours of darkness for 5-8 days. During the training of the seeds, they were exposed to a fan and light on the same or opposite arm of the Y-maze. The fan was the conditioned stimulus and the light was the unconditioned stimulus. It was found that the seedlings of the control group (no fan or light) grew into the arm of the Y-maze that had previously had blue light. This informs us that seedlings have an innate phototropic response to blue light. In the test group (fan only), the seedlings had a conditioned
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