Individuals that are well adapted to their environment will survive and reproduce
According to Charles Darwin's theory of evolution by natural selection, organisms that possess heritable traits that enable them to better adapt to their environment compared with other members of their species will be more likely to survive, reproduce, and pass more of their genes on to the next generation.
Answer: because as CO2 acts as a green house gas is absorbing rather than reflecting the heat energy received where infrared radiation is simply radiation emited by heated /hot body