Basic Biological History Unit 1: Introduction to Biology Student Handout S. Pipke-Painchaud & TSD © 2004 Refer to the video on the Biology in the Classroom website: http://wblrd.sk.ca/~bio2030sp/bio20/units/un1/history/historytemplate/page2.htm Instructions: 1. Please use these worksheet to record your observations as you view this video. 2. Make notes in the appropriate spots. Scientist Nationality Greek Philosopher Dates Theory/Discovery This means: Scientist Jean van Helmont Nationality Dates Theory/Discovery Summarize Helmont’s theory below Scientist Francesco Redi Nationality Dates Theory/Discovery Explain the experiment: Scientist Continued . . . Franceso Redi Critics Said: Explain the changes that Redi made to his experiment: This time the Critics Said: Scientist Robert Hooke Nationality Dates Theory/Discovery What did he observe? Scientist Anton Van Leeuwenhoek Nationality Dates Theory/Discovery Why is famous? Scientist John Needham Nationality Dates Theory/Discovery Sketch in Needham’s experiment . . . Step 1 Step 2 Step 3 Step 4 Scientist Continued . . . John Needham What theory is John Needham endorsing? Suggest what might have caused these results? Scientist Lazzaro Spallanzani Nationality Dates Theory/Discovery Dates Theory/Discovery He suggested two errors 1) 2) How do these compare with your ideas? What did Spallanzani change in his experiment? Spallanzani’s experiment proves the theory of Critics Said: Scientist Louis Pasteur List some examples of Pasteur’s other discoveries Explain what theory he proved and how. Sketch in the swan’s neck tube and flask. Nationality Scientist Jean Baptiste Lamarck Nationality Dates Theory/Discovery Nationality Dates Theory/Discovery Jane Haldimand Marcet Henry Dutrochet Robert Brown Felix Dujardin Scientist Thedor Schwann Matthias Jakob Schleiden Schleiden & Schwann formulated the . . . Who helped to refine this theory? Explain this theory: