Pls help pls pls help get 15 points

A

Explanation:

a straight line between the americas and europe/africa

answer; ///i do believe that the correct answer is (c) hold atoms together to form compound;

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.