[Solved] The first community to occupy a recently denuded region is referred to as A)climax. B)diversity. C)pioneer. D)mosaic climax. E)transition. Broca's Aphasia: A neurological condition characterized by difficulties in speech production, often due to damage in the Broca's area of the brain. MRI Scan: A medical imaging technique used in radiology to form pictures of the anatomy and the physiological processes of the body, using strong magnetic fields and radio waves. Neurotransmitter: Chemical messengers that transmit signals across a chemical synapse, from one neuron to another 'target' neuron. Epinephrine: A hormone also known as adrenaline, released by the adrenal glands, increasing heart rate and blood pressure, and preparing the body for a swift response during stress or threat.