Many bacteria reproduce asexually. the bacterium shown here is reproducing asexually, by binary fission. the definition of a is a group of interbreeding individuals cannot be easily applied to organisms that reproduce only or mainly by asexual methods. a. class b. kingdom c. population d. species

One of the purposes of transcription is to produce a sequence of bases that

Sediment layers stop lateral spreading when: they encounter a barrier they encounter an opposing current they run out of additional sedimentary material

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.