It is so it attracts insects which pollinate it.
Sometimes also so birds eat the seeds.
All about reproduction or continuation of the species.
Many flowers, like the hibiscus have evolved to attract insects by traits such as bright colors and attractive smells.
The flowers on basil plants are typically small and can be white, purple, or pale pink. They grow in spikes at the top of the plant, and the color can vary slightly depending on the specific variety of basil. While the flowers are attractive, many gardeners prefer to pinch them off to encourage more leaf growth, as the flowers can indicate that the plant is going to seed.
The scent that is most attractive to humans is that which comes from flowers.
Mostly the colour.
Color and fragrance are two adaptations of insect-pollinated flowers. Flowering plants which benefit from insect pollinators need to call attention to themselves by arthropod-attractive scents and striking colors.
It is known that the floral part that attracts insect pollinators is called the petal.
Bumblebees are attracted to blue flowers because they can see the color blue well, making them stand out against the green foliage. Blue flowers often have nectar and pollen that bumblebees need for food, making them a valuable food source for the bees.
So that people will get attractive to the flowers and we need flowers because it can make the earth beautiful.
Color, shape, odor, and taste. For example, honeybees are attracted to bright colors, open-petal-shaped flowers, flowers which have certain smells, and the sweet nectar produced by many flowers. They can even be "trained" to pollinate flowers which humans might not find particularly attractive such as onion (allium spp.) flowers.
Mostly blond is attractive if its your natural hair color but my opinion the most attractive natural hair color is golden brown.
Plants become so attractive due to their green leaves, colorful flowers, etc.
The purpose of bright colours in the flowers is to attract the insects that act as pollinators.