Under normal conditions, which mechnanism selects for evolved traits (such as skin colour) that are matched rather than mismatched to their environment?  单项选择题

Traits well-matched to environmental conditions will benefit an individual regardless of the mechanism of selection

Natural and Sexual selection will favour individuals that have traits well matched to the environment as these individuals will, on average, have higher fitness and thus be more likely survive to contribute more offspring to future generations.

Sexual selection will favour individuals that have traits well matched to the environment as these individuals will, on average, have higher fitness and thus be more likely survive to contribute more offspring to future generations.

Natural selection will favour individuals that have traits well matched to the environment as these individuals will, on average, have higher fitness and thus be more likely survive to contribute more offspring to future generations.