Please answer 127 question
Dear Student, Commenalism is defined as an association between two organisms in which one benefits while the other derives neither benefit nor harm. So, the sea anemone provides shelter for the hermit crab which in turn helps the it to obtain it's food. Thus, option 2 is correctly paired. Option 1 is incorrect because the two species interact with each other while the protocooperation means benefitting each other without interaction. Similarly rest are in correct. Regards