A scientist is looking at multiple specimens on wet mount slides. On two slides he sees bubbles forming. He decides to investigate the origin of the bubbles. At the end of his analysis, he concludes that all his slides were of animals and only the two with bubbles were not.
Answer all of the following questions below :
1. What visual you have evidence would he have to see on the microscope slides to support his claim?
2. What would be the source of the bubbles?
3. Explain how your answers to #1 and #2 would explain his findings.