Because the purpose of the flower is to faciliate reproduction. Once the flower' s eggs get fertilised the flower dies.
The purpose of the flower is to facilitate reproduction. Once reproduction has taken place, it is no longer needed. The plant needs to use the energy elsewhere.
They wither and fall off
When it is wilting, browning, becoming crunchy(petals) and when the petals start to fall off.
All flowers lose their petals at some point.
unnecessary factors can be removed as petals fall off, and new amendments can be added as new petals grow.
Because the flower petals don't fall off.
they will wither and fall off
They fall off taking away the plant's manhood and pride.
No, not rormally, in most cases the petals fall off before the fruit develops.
because then they will fall off more easily in the wind and be able to pollinate and grow more flowers because then they will fall off more easily in the wind and be able to pollinate and grow more flowers
yes, the petals only act as an attractant to pollinators, if the petals were removed the flower could still be pollinated
After the petals fall off the seed, called a rose "hip" develops in the stem behind where the flower was.
Petals drop off and the ovary becomes the fruit and ovule becomes the seed