CP3(Chapter 5)

• is the process whereby a dissolved sample is vaporised

• the draining away of water (or substances carried in it) from the surface of an area of land, a building or structure, etc.

• Movement of insecticides in water through soil.

-Movement of Insecticides into Plants and animals

also known as the exoskeleton, is the outermost part of the insect body. It serves a variety of functions such as protection from desiccation, sensory perception of the environment, mechanical support and means of locomotion.

This type of damage may appear on the tip, the margin, as spots on the leaf or the entire leaf surface may appear burned. The growing tip or bud may also be killed.

Similar to burn and affecting plants in the same manner.

May appear as spots, tip yellowing, or as a general chlorosis of the entire leaf.

May appear as curling, crinkling, or cupping of the leaf.

are very toxic to earthworms and some organophosphates have been shown to reduce earthworm populations (Edwards, 1987)