The warmer global climate shows adverse effect on living organism by causing detrimental random mutation leads to generation of new trait. Thus, option B is correct.
What is climate change?
Various factors are responsible for a change in climate globally. One of the causative factors are increase in the level of atmospheric carbon dioxide due to a continuous use of fossil fuels leads to rising in temperature, droughts and longer growing seasons ultimately global warming.
The process by which an organism successfully adopts its changing environment, survive and reproduce successfully, are selected by nature called as Natural selection.
Furthermore, global warming leads to random mutation in gene followed by deleterious protein production. So, the organism cannot adopt the changing environment in a faster way.
So, Climate change can shape the genetic composition of an organism by introducing random mutation in their gene showing new trait. Thus, option B is correct.
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