guide: chapter 4,5,6,10 Exam Questions
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Enviornment - CORRECT ANSWER-Our surroundings, including other organisms
Ecology - CORRECT ANSWER-The study of organisms in relation to their enviornment
Ecosystem - CORRECT ANSWER-Community of organisms considered in relationship
to each other and their environment.
Persistent pesticide - CORRECT ANSWER-Pesticides that stay in the environment
without change for long periods of time.
Accumulative pesticides - CORRECT ANSWER-Pesticides that build up in the bodies of
animals.
Toxicity - CORRECT ANSWER-The capacity of a substance to produce injury or death.
Hazard - CORRECT ANSWER-Toxicity + exposure
LD - CORRECT ANSWER-Lethal dose
LD50 - CORRECT ANSWER-The dose will kill 50% of a large population of test
animals.