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Dennis Holley

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Viruses and Bacteria
General Zoology: Investigating the Animal World
Sciencewise Discovering Scientific Process Through Problem Solving
General Biology II: Investigating Organisms and Ecology
General Biology I: Investigating Cells, Genetics, and Evolution
Viruses and Bacteria Hands-on, Minds-on Investigations for Middle to High School Students
An Introduction to Zoology Investigating the Animal World
General Biology II Organisms and Ecology