Final answer:
Angiosperms are flowering plants that produce flowers and fruits. They are the most successful and diverse group of plants, comprising about 90% of all plant species. The structure of the flower and the development of fruit are important reproductive adaptations for angiosperms.
Step-by-step explanation:
Angiosperms, also known as flowering plants, are a group of plants that produce flowers and fruits. They are the most successful and diverse group of plants on Earth, comprising about 90% of all plant species. Angiosperms have evolved various reproductive adaptations, including the structure of the flower and the development of fruit, which contribute to their success in reproducing and dispersing seeds.