Jason is in middle school and is well below normal height for his age. which hormone might be in short supply in jason's body?

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.

for a different answer set the answer would be because the oxygen in the water had depleted (apex)