Campbell Biology: Concepts & Connections (9th Edition)
9th Edition
ISBN: 9780134296012
Author: Martha R. Taylor, Eric J. Simon, Jean L. Dickey, Kelly A. Hogan, Jane B. Reece
Publisher: PEARSON
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Chapter 21, Problem 14TYK
SCIENTIFIC THINKING Consider the relationship between correlation and causation with respect to some pairs of human traits. For example, are freckles and red hair correlated? Is there causation? How does this concept relate to the study of human nutrition? Can you name examples of correlation in humans with respect to obesity? Explain each answer.
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Chapter 21 Solutions
Campbell Biology: Concepts & Connections (9th Edition)
Ch. 21 - Label the parts of the human digestive system...Ch. 21 - Prob. 2CCCh. 21 - Earthworms, which are substrate feeders, a. feed...Ch. 21 - Prob. 4TYKCh. 21 - Which of the following vitamins is mismatched with...Ch. 21 - Which of the following statements is false? a. A...Ch. 21 - Why is it necessary for healthy vegetarians to...Ch. 21 - A peanut butter and jelly sandwich contains...Ch. 21 - Use the Nutrition Facts label to the right to...Ch. 21 - How might our craving for fatty foods, which is...
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- The CDC states "The estimated annual medical cost of obesity in the U.S. was $147 billion in 2008; the medical costs for people who are obese were $1,429 higher than those of normal weight." Question: What would be a good policy that would help align American life away from obesity?arrow_forwardObesity is a serious health problem for many Americans. Several popular diet plans advocate low-carbohydrate diets. Most low-carb dieters compensate by eating more protein and fat. What are the advantages and disadvantages of such a diet? Should the government regulate the claims of diet books? How should the claims be tested? Should diet proponents be required to obtain and publish data before making claims?arrow_forwardIdentify and explain two evidence based strategies that could be used to remove the risk of obesity in school aged children.arrow_forward
- Some nutritionists claim that the secret to long life is to be slightly underweight as an adult. If a persons weight is related partly to diet, partly to activity level, and partly to genetics, what underlying factors could be at work to generate statistics that support this claim?arrow_forwardJoe would need to cut back on sweets and eating late at night. His carb intake is very high, so we recommend more fruits and vegetables low in calories and low in fats. What is the independent variable? What is the dependent variable?arrow_forwardOn your way to class this morning, you stop at your favorite coffeehouse and grab a caffé mocha and a blueberry scone. The caffé mocha contains 260 Calories and the scone contains 460 Calories. (a) What fraction of your recommended daily caloric intake did you just consume? Use the estimated calorie requirements for your age and gender at www.nhlbi.nih.gov/health/public/heart/obesity/wecan/healthy- weight-basics/balance.htm. (b) Convert the calories you consumed for breakfast into kilojoules.arrow_forward
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- Contrast a physiological set point with a behavioral set point related to obesity.arrow_forwardWhy do you think so many people in American are overweight or obese? Make a recommendation for a safe weight loss plan or program with long term effectiveness. What are the pros and cons of this plan or program?arrow_forward"How can we prevent childhood obesity and its impact on life expectancy?"arrow_forward
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