Answers

2016-01-06T16:35:51+05:30
When the tree grows up it stops breathing by its stem which is a cause for the disappearance of the lenticels
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2016-01-12T17:39:16+05:30
Actually lenticels are the dead cells used for respiration and as we know that the bark of the tree is made up of dead cells and the Young plant contain the stomata pores on the stems too for respiration
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