Why does the Owl Butterfly have a pattern of an owls face on it's wings

According to the Batesian mimicry theory the pattern on the wings of Caligo (aka, owl butterfly) resemble the head of a predator like a lizard or an amphibian

Explanation:

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.