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Question
Biology
Posted 2 months ago
How does a fern prothallus differ from a moss protonema in appearance?
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Answer from Sia
Posted 2 months ago
Answer
A fern prothallus differs from a moss protonema in appearance in several key ways.
Solution
a
Fern Prothallus: The fern prothallus is a small, heart-shaped, green structure that is typically flat and about 1-2 cm in size. It is a gametophyte stage in the life cycle of ferns
b
Moss Protonema: The moss protonema is a thread-like, filamentous structure that resembles green algae. It is the initial stage of the moss gametophyte and is usually much smaller and less complex in structure compared to the fern prothallus
Key Concept
Fern prothallus and moss protonema are distinct stages in the life cycles of ferns and mosses, respectively.
Explanation
The fern prothallus is a heart-shaped gametophyte, while the moss protonema is a filamentous structure. These differences in appearance reflect their unique roles and stages in the plant life cycle.

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