Question

chapter 15 homework: plants and fungi
total points: -/100
attempts left: 3

Explanation:

Identify the organism and structure

The diagram shows a typical moss (bryophyte) with its distinct structures labeled A, B, C, and D. Mosses undergo alternation of generations.

Analyze label A

Label A points to the upper, stalked structure containing the capsule. This represents the diploid (\(2n\)) sporophyte generation.

Analyze label B

Label B points to the leafy green lower portion of the plant. This represents the dominant haploid (\(n\)) gametophyte generation.

Analyze label C

Label C points to the leaf-like structures on the gametophyte, which are photosynthetic and haploid (\(n\)).

Analyze label D

Label D points to the root-like anchoring structures at the base, known as rhizoids, which anchor the gametophyte.

Summarize the anatomical parts

• A: Sporophyte (diploid, \(2n\))
• B: Gametophyte (haploid, \(n\))
• C: Leaf-like structure / Gametophyte shoot
• D: Rhizoid

Answer:

Based on the anatomical diagram of a moss:

• A: Sporophyte (diploid generation, \(2n\))
• B: Gametophyte (haploid generation, \(n\))
• C: Leaf-like structure (part of the gametophyte)
• D: Rhizoid (anchoring structure)