Chapter 7 Flashcards
1
Q
Endemic Disease
A
Disease that is constantly present but varying in potency
Ex:AIDS
2
Q
Persistence
A
Charactristic of certain chemicals that are stable and may take years to break down into simpler forms through natural processes
3
Q
Bioaccumulation
A
Buildup of persistent toxic substance
Ex: Pesticides in your body
4
Q
Biological Magnification
A
Increased concentration of toxic chemicals such as PCB’s, heavy metals and pesticides that are present in higher organisms of the food web.
Ex: DDT present in alge->shrimp->human
5
Q
Toxicant
A
A chemical with adverse human health effects
6
Q
Acute and Chronic Toxicity
A
Effects that occur in a short period of time
Effects that occur in the long run
