AP BIOLOGY

Detailed explanation-1: -Biennial: Biennial means an event occurring for two years. Thus, the biennial plants complete their life cycle within two years. For the first year, they remain vegetative. During the second year, the stem elongates and flowers produce seeds.

Detailed explanation-2: -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-3: -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-4: -Biennial plants have a life cycle of two years, so they germinate and grow one year, bloom and die the following. Everything which lasts longer than two years is perennial, which in practical terms usually means it grows and flowers for many years.

Detailed explanation-5: -A biennial requires all or part of two years to complete its life cycle. During the first season, it produces vegetative structures (leaves) and food storage organs. The plant overwinters and then produces flowers, fruit and seeds during its second season.