Question 6 of 6
In the scenario of the plants roots and the fungus, the roots get the nitrogen it needs to grow and the fungus gets water and nutrients that plant absorbs, this is a example of
(1 point)
A. commensalism
B. mutualism
C. parasitism
DD. competition
Page 2 of

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.