Why is the hypothesis that breaking a mirror cause seven years of bad luck not science? why is that the right answer?

a. the results of studying the hypothesis are repeatable
b. the results of studying the hypothesis are not biased
c. a hypothesis based on opinion cannot be tested by an experiment
d. how you break the mirror affects the results of the experiment.

your spelling is a little off : ]

the correct answer is: b. pantala flavescens, because these organisms would have a high level of genetic variation due to sexual reproduction.  

because involves two organisms (parents) whose genetic material combines, sexual reproduction leads to genetic variation in new generations of offspring. the offspring is an unique organism, with new genome, more protected with the higher ability to adapted. this process is fundamental to evolution.