The brain pathway innervates a variety of organs, including the adrenal medulla, that results in the release of catecholamines from the terminal of sympathetic nerves.

Autonomic Nervous System

Explanation: Automatic nervous system is a system that controls system that unconsciously regulate

Bodily functions such as digestion,urination,heart rate,sexual arousal,respiratory rate,pupillary response

AUTONOMIC NERVOUS SYSTEM.

The AUTOMATIC NERVOUS SYSTEM of the brain pathway innervates a variety of organs, including the adrenal medulla, that results in the release of catecholamines from the terminal of sympathetic nerves.

Explanation: The automatic nervous system is the involuntary part of the nervous system,it controls involuntary body functions example; increase in heart rate.

The automatic nervous system is divided into sympathetic and parasympathetic.

The two divisions work in a complementary manner to maintain involuntary functions in the body and homeostasis.

The activities of the automatic nervous system includes;control and coordination of breathing,blood pressure,water balance, digestion and metabolic rate.

The autonomic nervous system acts on the smooth muscles by controlling the diameter of smaller airways and blood vessels ,controls the rate and force of cardiac contraction in cardiac muscles and controls the volume of gastrointestinal secretions in glands that are responsible for it and also controls the secretion of epinephrine and norepinephrine by the adrenal medulla.

The postganglionic neurone of the autonomic nervous system has it's cell body in a ganglion and terminates in the organ or tissue it supplies.

Norepinephrine and epinephrine are usually the neurotransmitters that acts at the sympathetic effector organs.

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the correct answer is: b. pantala flavescens, because these organisms would have a high level of genetic variation due to sexual reproduction.  

because involves two organisms (parents) whose genetic material combines, sexual reproduction leads to genetic variation in new generations of offspring. the offspring is an unique organism, with new genome, more protected with the higher ability to adapted. this process is fundamental to evolution.