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Acute And Chronic Exposure To Lead: Cellular And Behavioral Effects On The Pond Snail Helisoma Trivolvis, Virginia T. Bennett
Acute And Chronic Exposure To Lead: Cellular And Behavioral Effects On The Pond Snail Helisoma Trivolvis, Virginia T. Bennett
Legacy ETDs
The focus of this study is on the effects of lead on Helisoma trivolvis, a pulmonate pond snail. Many species of molluscs are being used as bioindicators of environmental toxins. To provide a background for the reader, a brief history and description of the Phylum Mollusca (at the class level) is presented in Chapter 1. A second chapter (Ch. 2) is concerned with lead and its effects. A synopsis of past and present studies that show the interaction between lead and molluscs is given in Chapter 3, then two experimental chapters follow. The first experimental chapter (Ch. 4) is …