By Colleen Belk, Virginia Borden Maier
The 3rd version of Biology: technological know-how for all times maintains to attract scholars into biology via attractive tales that make tough issues extra obtainable and comprehensible. Colleen Belk and Virginia Borden try to make instructing and studying biology a greater event from either side of the table. The authors draw from their instructing studies to create a textual content with a flowing narrative and cutting edge positive aspects that require scholars to turn into extra energetic contributors of their studying. each one bankruptcy offers the fabric via a narrative that pulls from genuine existence examples, making the studying extra enticing and obtainable to brand new scholars. those tales attempt to demystify subject matters present in biology. The 3rd version of this booklet encompasses a thoroughly re-designed artwork application and makes use of the authors' educating reports to create student-centered good points reminiscent of the hot Savvy Reader, Visualize This, and prevent and Stretch to inspire and inspire pupil studying. the recent a more in-depth glance permits teachers the chance to extend on yes very important organic issues. For teachers who want to hide Animal constitution and serve as and Plant Biology, an alternative variation of this ebook, Biology: technology for all times with body structure, can also be on hand.
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Additional info for Biology: Science for Life
Sample text
Scientists use the same basic process of testing ideas about how the world works and discarding (or modifying) ideas that are inadequate. There are, however, some key differences between the ways that scientists approach questions and the daily scientific investigations illustrated by our own quests for cold relief. In this chapter, we introduce you to the process of science as it is practiced in the research setting and help you understand how to evaluate scientific claims by evaluating techniques that are often used to prevent or treat the common cold.
Does it seem that the information is applicable to non-laboratory situations, or is it based on results from preliminary or animal studies? Look for clues about how well the reporters did their homework. Scientists usually discuss the limitations of their research in their papers; are these cautions noted in an article or television piece? If not, the reporter may be overemphasizing the applicability of the results. Then, note if the scientific discovery itself is controversial. That is, does it reject a hypothesis that has long been supported?
Note that while the cold virus was applied to each participant in the study, the researchers had no influence on the stress level of the study participants—in other words, this is not a controlled experiment because people were not randomly assigned to different "treatments" of low or high stress. 8. The horizontal axis of the graph, or x-axis, contains a scale of stress level—from low stress on the left edge of the scale to high stress on the right. The vertical axis of the graph, the y-axis, indicates the percentage of study participants who developed "clinical colds," that is, colds reported by their doctors.