Designed to compare an experimental group with a control group by changing only one variable.
Science is not about proving you’re right—it’s about testing whether you could be wrong. campbell biology ppt chapter 1
Do not just copy the slides. Print the PPT as a 3-slides-per-page handout. Next to each slide, write your own examples. For instance, next to the slide on "Feedback Regulation," write: "Body temperature – too hot → sweat → cool down (negative feedback)." Designed to compare an experimental group with a