the sympathetic nervous system and parasympathetic nervous system are divisions of the: visceral motor division (of autonomic nervous system, ANS). visceral sensory division. somatic sensory division. somatic motor division.

  a. chromosomes are duplicated before cell division so that each new daughter cell has a complete set

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.

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