el tipo de selección natural que ha operado en estas a veces azarosa estabilizadora direccional disruptiva​

the answer is b)3/8x+1

b) the inside picture would look at a very high temperature in a very low ph

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.