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).
Noun. 1. insecticide-a chemical used to kill insects. insect powder. pyrethrum-made of dried flower heads of pyrethrum plants. DDT, dichlorodiphenyltrichloroethane-an insecticide that is also toxic to animals and humans; banned in the United States since 1972.larvacide-an insecticide that kills the larvae of insects.. insecticide-a chemical used to kill insects. insect powder. pyrethrum-made of dried flower heads of pyrethrum plants. DDT, dichlorodiphenyltrichloroethane-an insecticide that is also toxic to animals and humans; banned in the United States since 1972.