AP BIOLOGY

Detailed explanation-1: -The modified leaves which surround the flowers are petals. All the petals in the flower are collectively referred to as corolla. Sepals are under the petal, which together forms the calyx, and that lies below the corolla.

Detailed explanation-2: -Petals are modified leaves that surround the reproductive parts of flowers. They are often brightly colored or unusually shaped to attract pollinators.

Detailed explanation-3: -Flowers. Sexual reproduction is the sole function of flowers, often the showiest part of a plant. Flowers’ beauty and fragrance evolved not to please humans but to attract pollinators (insects or birds), which are central to the reproductive process. Flowers also help classify plants.

Detailed explanation-4: -Petals are modified leaves that surround the reproductive portions of flowers. Collectively, they are referred to as the corolla. They are frequently brightly colored and fragrant to attract pollinators.