how did scientists prove that the food is transported
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Answers
Answer:
I think.....
they have worked on nutrition....
so without transportation.... how can the nutrients.... pass all over the body..
Explanation:
i have a doubt yaaar...
r u talking about animals or plants....
I will answer u accordingly....
Answer:
Every living matter need energy...
that should be derived from food... so in plants there will roots peirced into soil and the water will be transported to leaves... but how?
scientists performed experiment by using aphids
aphids and other small insects feed on plants stems and leaves for food.... through this scientists observed that plants produces food and the part which transports food is near to the bark... so when aphid Peirces it's mouth to suck food... small amount of sticky liquid comes out through the hole the aphids made... and they cutted longitudinal section of plants under microscope and found tube like hollow structures to transport food and water which have all required nutrients for growth and named as xylem and pholem
I hope it helps you...
to understand this I mentioned this experiment in own words
Explanation:
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