What is one similarity between the lungs and capillaries?

They both are part of the circulatory system because both of them are activated by inhalation. They both are also involved in gas exchanges.

i don't know. if i were you, i would search it up online : d

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.