Which of the following best describes the different features of plant life cycles?

• A. Plants exhibit alternation of generations, with both haploid and diploid stages.
• B. Plants have a single continuous diploid stage throughout their life cycle.
• C. Plants reproduce only through seeds, without any alternation of generations.
• D. Plants have a single continuous haploid stage throughout their life cycle.

Answer: (A)

Verified step by step guidance

1. Understand the concept of alternation of generations: In plant life cycles, alternation of generations refers to the occurrence of two distinct phases, one haploid and one diploid, which alternate with each other.
2. Identify the haploid stage: The haploid stage in plants is known as the gametophyte. During this stage, plants produce gametes (sperm and eggs) through mitosis.
3. Identify the diploid stage: The diploid stage is called the sporophyte. In this stage, plants produce spores through meiosis, which then develop into gametophytes.
4. Recognize the alternation: Alternation of generations involves the transition from the gametophyte (haploid) stage to the sporophyte (diploid) stage and vice versa, ensuring genetic diversity and adaptation.
5. Evaluate the options: Compare the given options with the concept of alternation of generations. The correct description should include both haploid and diploid stages, as opposed to a single continuous stage or reproduction solely through seeds.