Page 122 - Photosynthesis: The Green Miracle
P. 122
The day before this photo was taken, this Coleus plant
was laid on its side, together with its pot. As you can In contrast to their leaves,
see, 24 hours later it had begun extending its shoots the roots of plants extend
upward. The way that plants act in response to their downward, in line with
needs and have been designed accordingly are some gravity.
of the proofs of the existence of Allah.
Upward
Position of leaf
Downward
Times Night Times Night Times Night Times
of day time of day time of day time of day
Daytime
The diagram shows the different positions assumed by a plant’s leaves in
one day. The leaves begin rising before daylight, and droop again before
nightfall.
