How are homzygous and heterozygous genotypes for a particular trait in plants different? Give an example of a genotype for each.

Which direction does the energy flow in this energy pyramid ?

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.

3differences between bacteria and other 2 cells