answer; i believe the correct answer is (replication is not conservative);
answered: Guest
after receiving a stimus, the sensory receptors send(s) signals to the appropriate area of the body.
the must be sensory neurons.
hope its .
answered: Guest
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.