Throughout the entire water stream moving in a tree, the leaf stomate is the only portion that can be actively controlled by the tree to conserve water.
(the leaf stomate; is; the only portion that can be actively controlled by the tree; T:Throughout the entire water stream) (the only portion; can be actively controlled; by the tree) (the only portion that can be actively controlled by the tree; to conserve; water)
the leaf stomate the only portion the only portion that can be actively controlled by the tree
is can be actively controlled to conserve
the only portion that can be actively controlled by the tree T:Throughout the entire water stream
by the tree
water