synapse is the connection of the axons of one neuron and the dendrites of another, myelin is the substance that protects the grey matter from the bony surface of the head for example, nucleus of a neuron is the main part of the nersous cell and neurotransmiters are the substances that make synapses posible ( and sometimes efficient)
Answer: Over time, the amount of precipitation decreases by 20 percent. It will affect the habitat because those species adapted to drier environments will replace species less suited to the new climate.
