Question

-The changes in the surrounding environment can have an effect on plants too. For a few weeks in the autumn season, normally green leaves of deciduous plants acquire a red to yellow colour. How and why does this change incolour happen?

Answer 1

when the autumn season start leaves get turned into yellow colour because new leaves start growing on the trees and plant because th chlorophyll from that leaves get decresed thus the plant's leaves gets yellow shade and it falls down..

Answer 2

Hi and Here is your answer ...
The changes in the surrounding environment can have an effecr on plants too.For a few weeks in the autumn season, normally gree leaves of decidous plants acquire a red to yellow colour so This happens by a reason.This happens as The increase of Chlorophyll has developed among by the season changes so therefore this happens from one leaf color to another one .

Hope my answer Helped You ....