Make sure you know the information which you were given. Brain stem: The brainstem is located at the juncture of the cerebrum and the spinal column. It consists of the. midbrain, medulla oblongata, and the pons. Limbic cortex, Components of limbic system - â see lecture materials. (LK) Cogs 107A Study materials for exam 1 10/4/2006.
Photo by: bluehand. DDT is a synthetic chemical compound once used widely in the United States and throughout the world as a pesticide (a chemical substance used to kill weeds, insects, rodents, or other pests).
Pesticide Treadmill. Definition - What does Pesticide Treadmill mean? The term pesticide treadmill describes the phenomenon whereby pesticide use prevents any natural form of control from taking place, thereby resulting in the need for repeated, routine applications of pesticide. The pesticide treadmill is said to escalate when the control of one pest provides a window of opportunity for other pests and the need for further chemicals.