Flower evolution continues to the present day; modern flowers have been so profoundly influenced by humans that some of them cannot be pollinated in nature. Many modern domesticated flower species were formerly simple weeds, which sprouted only when the ground was disturbed. Some of them tended to grow with human crops, perhaps already having symbiotic companion plant relationships with them, and the prettiest did not get plucked because of their beauty, developing a dependence upon and special adaptation to human affection. COUNT 5
QSN1 How long has flower evolution occurred?  ANS1 present day QSN2 What heritage do many modern domesticated flower species have? ANS2 formerly simple weeds QSN3 Humans have effected some flowers so much they can no longer do what in nature? ANS3 pollinated QSN4 Why did weeds grow with human crops? ANS4 symbiotic companion plant relationships QSN5 What feature helped flowers not get plucked? ANS5 prettiest