Question

in desert biomes, flowering usually coincides with select one: a. cool summers. b. moisture availability. c. migration of monarch butterflies. d. santa ana winds.

Explanation:

In desert biomes, water is a limiting factor for plant growth and reproduction. Flowering in desert plants is often triggered by the availability of moisture, such as after rainfall. Cool summers, monarch - butterfly migration, and Santa Ana winds are not directly related to the flowering of desert plants.

Answer:

B. moisture availability