Question

chapter 15 homework: plants and fungi
total points: -/100
attempts left: 3
the following figure summarizes the reproductive structures used by land plants. choose correct labels from the drop-down menu provided under the image.

Explanation:

Identify the life cycle phases

The diagram represents the generalized plant life cycle, known as Alternation of Generations. The upper half of the cycle is labeled "Diploid" (\(2n\)) and the lower half is labeled "Haploid" (\(n\)).

Analyze diploid structures and processes

• A is a diploid multicellular structure formed after fertilization. It undergoes mitosis to grow. This is the Sporophyte.
• E is the diploid cell resulting directly from fertilization, which is the Zygote. The zygote undergoes mitosis to become the multicellular sporophyte (A).

Analyze haploid structures and processes

• The diploid sporophyte (A) undergoes Meiosis to produce haploid cells at D. These haploid cells are Spores.
• Spores (D) undergo mitosis to grow into the multicellular haploid structure at C, which is the Gametophyte.
• The gametophyte (C) undergoes mitosis to produce haploid gametes at B (sperm and egg).
• Gametes (B) undergo Fertilization to form the diploid zygote (E).

Match labels to letters

• A: Sporophyte
• B: Gametes
• C: Gametophyte
• D: Spores
• E: Zygote

Answer:

The correct labels for the diagram summarizing the reproductive structures in the alternation of generations of land plants are:

• A: <blank>Sporophyte</blank>
• B: <blank>Gametes</blank>
• C: <blank>Gametophyte</blank>
• D: <blank>Spores</blank>
• E: <blank>Zygote</blank>