Long-term exposure to polluted air<span> can have permanent </span>health<span> effects such as: Accelerated aging of the lungs. Loss of lung capacity and decreased lung function. Development of </span>diseases<span> such as asthma, bronchitis, emphysema, and possibly cancer.</span>
Stabilizing selection... I think it might be right if I'm wrong, sorry if I am.
Answer:
Dark mice can camouflage with their surroundings better than bright colored mice, so the last ones did not survive since they are not suitable for that environment.
Explanation:
Natural selection is the process that gives new generations of an organism with changes in their genes. The modification in the composition of genes or their genotype makes suitable offerings that will continue the species existence. In this case, the change was the color of the mice fur that made it suitable for its surroundings and increased the species continuity and survival.
Beth is aging as well and is possibly developing health issues.
He has appointed a second proxy because Beth could possibly pass away or become to sick to be there for Jackson.