Evolutionary Theory of Aging describes t<span>he view that natural selection has not eliminated many harmful conditions and nonadaptive characteristics in older adults. N</span>atural selection is linked to reproductive fitness, which is present only in the earlier part of adulthood. According to evolutionary theory, possibly if some disease occurred earlier in development, it might have been eliminated many centuries ago.
Inhale and exhale because you inhale the oxygen and exhale the carbon dioxide
Allie should wear sunscreen to protect herself from skin cancer and maintain a healthy lifestyle and mindset, these could help in the long run! Hope this helped!
Reproduction, I am pretty sure
Hope this help