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March 29, 2024, 07:16:04 pm

Author Topic: phototropism and winter?  (Read 2368 times)  Share 

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beezy4eva

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phototropism and winter?
« on: May 09, 2008, 08:29:05 pm »
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question: How does phototropism help evergreens survive through the winter season in areas with colder climates like Melbourne?

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Chocolate

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Re: phototropism and winter?
« Reply #1 on: May 10, 2008, 05:05:50 pm »
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question: How does phototropism help evergreens survive through the winter season in areas with colder climates like Melbourne?
This is my take on it..:

Along with winter comes less sunlight exposure towards the plant. This is dangerous to the plant, obviously, because lack of sunlight = lack of chlorophyll excitement = lowered photosynthesis = low energy production. Phototropism allows the plant to grow towards an area where there is most sunlight, ensuring that it receives maximal sunlight exposure possible and thus photosynthesis continues. No phototropism means it would grow just regurlarly and possibly be starved of glucose.