Put the levels of the pet aid with the LARGEST level at the bottom .

it would lead to upper respiratory infections and pneumonia.

a. by using fur or clothes to trap heat energy near the body

what bodys are there orbiting?

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.