AP BIOLOGY

Detailed explanation-1: -biennial, any herbaceous flowering plant that completes its life cycle in two growing seasons. During the first growing season, biennials produce roots, stems, and leaves. During the second growing season, they produce flowers, fruits, and seeds, and then they die.

Detailed explanation-2: -The biennials that are grown for seeds, fruits and flowers are grown for two years, whereas those for edible roots and leaves are grown for one year only. Examples of biennials include: parsley, fennel, onion, cabbage, silverbeet and carrot.

Detailed explanation-3: -Biennial plants grow leaves, stems and roots the first year, then go dormant for the winter. In the second year the plant will flower and produce seeds before dying.

Detailed explanation-4: -Biennials-Plants which require two years to complete their life cycle. Biennial Foxglove. First season growth results in a small rosette of leaves near the soil surface. During the second season’s growth stem elongation, flowering and seed formation occur followed by the entire plant’s death.

Detailed explanation-5: -Biennial plants are planted in one year, grow through the year, grow on and flower during the next year. Perennial plants grow strong year after year. Examples. Mustard, watermelon, lettuce.