Which on the following describes a cyclical change in an ecosystem? a) a population of juniper trees is replaced by poplar trees b) coyotes migrate to an area where no coyotes lived before c) an area receives less rain each year for many years d) the water level in lake ontario peaks and dips every few years

The unique structure of the neuron is dedicated to the efficient and rapid transmission of neural signals. the relationship between neurons, the spinal cord, and the brain constitutes an elaborate communication system throughout the human body. all but one of the functions listed below are a result of this interaction.