Are there any tree's that DON'T use photosynthesis?

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paul.fr

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well, are there?

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Offline Bored chemist

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Are there any tree's that DON'T use photosynthesis?
« Reply #1 on: 24/10/2007 20:13:52 »
Dead ones.
Arguably all of them; at night.
Please disregard all previous signatures.

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Offline Carol-A

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Are there any tree's that DON'T use photosynthesis?
« Reply #2 on: 25/10/2007 11:40:55 »
No. There are some parasitic plants that have lost the ability to perform photosynthesis, but nothing like a tree.

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Offline kdlynn

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Are there any tree's that DON'T use photosynthesis?
« Reply #3 on: 25/10/2007 14:51:43 »
artificial christmas trees do not and never have used photosynthesis.

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another_someone

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Are there any tree's that DON'T use photosynthesis?
« Reply #4 on: 25/10/2007 15:55:24 »
artificial christmas trees do not and never have used photosynthesis.

Arguably, since they are normally made of plastics, and plastics are normally made from oil, and oil is the breakdown product of ancient plant matter, so many millions of years ago it may have used photosynthesis [;)]

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paul.fr

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Are there any tree's that DON'T use photosynthesis?
« Reply #5 on: 25/10/2007 21:44:22 »
artificial christmas trees do not and never have used photosynthesis.

there's always one...

Arguably, since they are normally made of plastics, and plastics are normally made from oil, and oil is the breakdown product of ancient plant matter, so many millions of years ago it may have used photosynthesis [;)]

oops, better make that two!

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Offline kdlynn

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Are there any tree's that DON'T use photosynthesis?
« Reply #6 on: 26/10/2007 04:59:14 »
*scratches head* i did not see that coming...

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Offline Andrew K Fletcher

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Are there any tree's that DON'T use photosynthesis?
« Reply #7 on: 26/10/2007 11:31:41 »
Strasburger et al killed a tree in picric acid, steam, and copper sulphate sollution this effectively eliminated all living processes, including photosynthesis. The poisoned trees however caried on circulating fluids for 3 weeks and more after they had been pronounced deas, so I guess photosynthesis is not a requirement for a tree to be transpiring and sucking in water.

So it may be possible that somewhere out there there is a tree you are looking for,

It may also be worth considering that the tree often begins life as a sprout growing under the ground well out of the light so no photosynthesis is required here and there must be place where trees have continued to grow in total darkness?

Andrew
Science is continually evolving. Nothing is set in stone. Question everything and everyone. Always consider vested interests as a reason for miss-direction. But most of all explore and find answers that you are comfortable with