Chaper 8 Vocabulary Crossword
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
 
 
Down: 1) disease-causing organisms.2) Toxic burden of a large number of organisms at a lower trophic level is accumulated and concentrated by a predator at a higher trophic level.3) substances that activate the immune system4) caused by the overuse of biocide chemicals7) Agents that damage or alter genetic material. Can lead to birth defects or tumors.10) metabolic poisons that specifically attack nerve cells Across: 5) specifically cause abnormalities during embryonic growth and development6) a state of complete physical, mental, and social well-being8) selective absorption and storage of toxins9) substances that cause cancer11) a disease never known before, or one which has been absent for at least 20 years12) Dangerous chemicals often harmful even in dilute concentrations
 

 

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