Fruits.
probable
The point o flowers is to change co2 or carbon dioxide to ox or oxegen.
no, they do not change colour, they just fade and then die.
cherries; apples; strawberries; others start by flowers, then form into fruit in time.
Tobacco flowers that need moths to pollinate have evolved to have white flowers. Tobacco flowers that need hummingbirds to pollinate have evolved to be deep pink.
yes it does
You can not change them, you have to dig up the flower and re-plant it!
White flowers will change color if dyes are added to the water because the flower will absorb the dye with water through the stem.
The reciprocal evolution of flowers and insect mouth parts has occurred over millions of years. The flowers change to make their nectar inaccessible to insects while insects change to be able to attain the nectar.
yes
This is impossibleYou will have to change the number of the rows or the number of flowers in each row.
The bee's behaviour probably wouldn't change as long as the flowers still had nectar. This already happens with plants that have varieties specially produced for gardens. For example, bees love borage which normally has blue flowers, but in my garden I have some borage with white flowers and the bees like it just as much.