Question: Yanayin da waɗansu halittu keda kyakkyawan yanayi na bambancin sake haihuwa da yawa fiye da wasu halittun ba tare da wannan bambancin ba shi ake cewa......
Options:
katsatstsen za'bi 
zaɓi na ɗabi'a
zaɓin jima'i
zaɓin nahiya
Answer: B