Upon completion of a program at a vacational school students earn an

certificate or license

Explanation:

Vocational schools more focused on work-related competencies so it has more technical courses and shorter duration than a university degree.  Compared to the universities that tend to teach broader range of subjects The skills that are taught in vocational school tend to be really specific.

You won't get degree from a vocational school. Things such as Bachelor's degree typically only given to universities students who finished their program for around 3-7 years.

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.