In an ecosystem, organisms use up chemical energy and most of the
energy is then lost to the
environment as
A. light
B. heat
C. photons

In an experiment examining the effects tai chi on arthritis pain, callahan (2010) selected a large sample of individuals with doctor-diagnosed arthritis. half of the participants immediately began a tai chi course and the other half (the control group) waited 8 weeks before beginning. at the end of 8 weeks, the individuals who had experienced tai chi had less arthritis pain that those who had not participated in the course.

Si units are the modern form of the

Which of the following best describes gluconeogenesis? -creation of glycogen from glucose-breakdown of glycogen into glucose-conversion of glucose to fat-synthesis of glucose from noncarbohydrate sources