Many insects do not see into the red color-range and as a result, many insect-pollinated flowers are colors other than red (e. g., purple and yellow). this flower coloration would be considered

The correct answer is adaptation.  

Pollination refers to the procedure of transferring the pollen grain from the anther of a stamen to the stigma of a carpel. Some plants are amended for pollination by the wind, and some for pollination by insects.  

The plants, which are adapted for pollination via insects exhibit colorful petals and nectar to attract the insects, and sticky pollen, which adheres to the insects when they visit the flowers.