So why do cats have tails

The cat’s tail helps them to balance. The tail helps to serve as a counterbalance when cats walk on narrow spaces such as fences or shelves. ... Even though cats use their tails for balance, if a cat's tail needs to be amputated due to an injury, the cat will soon learn to compensate for the loss of their tail

The correct answer is:       [c]:   "organisms that are sensitive to changes in temperature would die. "

By water evaporation from the leaves is created a negative pressure at the top of the tree that promotes the ascension  of the water through channels that are called xylem. there are also two molecule forces that are involved: the intra-water molecules cohesion (water molecules stick to each other) and the adhesion when the water molecules stick to the channels they are running in. this is what enables water to go from the roots to the top of a tall tree.