The fragrance or smell of the flower plays a very important role. Insects, birds, butterflies or animals do not come to the plant knowing that they have to help them in the process of fertilization, but it is the smell of the flowers which attract these creatures. The fragrance strongly attracts the insects and brings them so close to the flower that the pollen gets stuck to their body. Then when these animals get attracted to other plants in the same manner, the pollen goes and gets fertilized with the other flower containing egg cells and results in the production of seeds. The color of the flowers also plays a very important role in attracting them. All flowers do not have a similar smell and the reason behind this is that specific flowers attract specific types of pollinators only so as to make sure that the pollen gets fertilized to the right species. Some plants like orchids have a specific smell which attracts only one pollinator and hence they totally rely on these pollinators for fertilization.
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