People with bulimia nervosa usually have high self-esteem because they are able to control their body weight. bulimics typically restrict their total daily caloric intake to 50% of what is recommended.

Ascientist is designing an investigation to study the impact of invasive bird populations on local, native bird populations at backyard bird feeders. what population is most likely to be a control group for the investigation? amount of food number of bird feeders invasive bird populations local backyard birdfeeders without food