Isotonic solution.
Since it has the same salt concentration as the cell the solution is neither hypotonic or hypertonic.
Ecology is one component of Environmental Science that studies organismal interactions.
So your answer is c. interactions
Answer: Central and Peripheral.
Explanation: The nervous system has two major divisions: central and peripheral. The central nervous system contains the brain and the spinal cord. The peripheral nervous system contains the nerves, which leave the brain and the spinal cord and travel to certain areas of the body.
