Question

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?

Answer 1

They will not get too much heat.

Explanation: In the desert, there are many times when it is very hot, sometimes too hot for the plants to survive. In nightime, it cools down a lot.