Trees need leaves primarily because of photosynthesis and respiration.
Photosynthesis is the process by which carbon dioxide is converted into nutrients
Leaves do this by using sunlight for energy to take apart water from the ... Water
gets to the leaf through a set of pipes inside the tree which goes all the way ...
All trees need at least four things to live: sunlight, water, soil and air. The tree
leaves have a special chemical called chlorophyll that can turn the sunlight into a
Oct 14, 2015 ... Most deciduous trees have broad leaves that are susceptible to being damaged
during cold or dry ... Why do tree leaves turn red in fall?
The other answers here are great, but I have two minor points to add in addition
to the excellent points offered by others: In places where the ground freezes in ...
Trees that drop their leaves seal the spots where the leaves are attached. Then
fluids cannot flow ... The falling of the leaves does more than mark the season. It
also helps the ... Is your heart burning when you have heartburn?Share-It
May 17, 2011 ... So in late August and early September in the northern hemisphere, when
precipitation rates drop, that can function as a cue and have the tree ...
Nov 12, 2013 ... If they do during the winter when the leaves fall off the trees is there less ... Yes,
leaves on trees produce oxygen through photosynthesis.
Most will however lose some of their oldest leaves just before they produce new
... We do not have a national tree, however, there is a campaign to have the oak ...
Oct 8, 2007 ... We see the result of an experiment in which the leaves of a plant have been
removed. What happens when the leaves of a tree get infected with ...