Iron makes leaves green. If trees have green leaves, they have iron.
what makes the leaves of a canopy tree change
no
Leaves on deciduous trees change colour in the Autumn prior to dropping.
Deciduous.
the pollen and air from the oxygen at this time of year makes the leaves dry up. this makes the roots loose their "hold" of the leaves and the leaves fall
Pine trees leaves do not change colour during autumn, as they are evergreen trees.
Deciduous trees change the color of their leaves before they fall off in autumn.
In The Spring Leaves Grow In The Summer Leaves get darker In The Fall Leaves Turn Orange And Die And In The Winter Trees With Now Leaves They Grow As They Change
Ireland has a wide variety of plants. There are evergreen or coniferous trees, and also deciduous trees, which will lose their leaves. During the course of the year those leaves will change colour.
i do not know
No not really - most tropical rainforest trees are evergreens and keep their color until the leaves fall off. Certain palm trees do not change color until they die, or fall off too. Eventually yes, but Conifers have smaller leaves so they change slower.