how did scientists proved that food is transported through the phloem
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Answered by
11
by doing the experiment with aphid.
they had chosen the aphid which was sucking food from phloem through its probosis and the they cut the aphid and left the probosis in the bark of the tree when they took out the probosis from the bark they found that some honey like substance is stuck the probosis of the aphid but when they examined it they found that it is the glucose which was going down through the phloem.
they had chosen the aphid which was sucking food from phloem through its probosis and the they cut the aphid and left the probosis in the bark of the tree when they took out the probosis from the bark they found that some honey like substance is stuck the probosis of the aphid but when they examined it they found that it is the glucose which was going down through the phloem.
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phloem is vascular tissues responsible for transportation of food
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Answered by
5
they cutted the outer layers of the tree and recognised that the upper part of the tree is forming a huge swelling due to they dont have any passgae to move so they were being collected there .
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