PLEASE HELP WILL GIVE BRAINLIEST A) Identify a time when extinction rates are most rapid.

B) Describe how speciation and extinction rates affect species diversity in an ecosystem. Describe relative extinction and speciation rates in a time when species diversity would be declining in an ecosystem.

C) Explain how extinction provides opportunity for adaptive radiation.

Which statement is most likely megan’s conclusion? the hypothesis is supported because the most common blood type in the united states is ab+. the hypothesis is not supported because the most common blood type in the united states is o+.

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.

Which process is represented a.) deletion b.) nondisjunction c.) translocation d.) insertion