Answer:
In scenario A A. Human biology
Which of the following disciplines would be most relevant?
B. Biology
Explanation:
In scenario A Australopithecus sediba arms are adapted for climbing in tree and its legs are adapted for walking on two legs. Australopithecus is related to homo habilis and also homo erectos. They are different human primate.
B. Biology because there are fossil remains dated to about 2 million years ago.