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Angiosperms produce flower structures on their sporophytes that hold male and female gametophytes. This evolutionary developm

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The evolution of seeded angiosperms most closely followed the evolution of --- A. Insects , because many insects are pollinator.

As angiosperms evolved in Cretaceous period, many modern groups of insects are appeared. Mainly pollinating insects that drove the evolution of angiosperms are evolved.Pollinator spread pollen accidentally while feeding on flowers. In million of years pollinating insects and flowers have coevolved for mutual success. Insects feed on flowers and also the reproduction of flowers is continued. Two become mutually benefied.

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