In a population of desert plants, the timing of their blooming varies greatly. Some bloom early in the morning, others at mid-day, and others after dark. What environmental pressure might be an advantage for those plants that bloom after dark? There is an increase in the population of nocturnal pollinators.

There is a decrease in the strength of solar radiation.

There is an increase in herbivores that forage at night.

There is a decrease in water for root absorption.