Question

What is the difference between protonema and prothallus?

Answer 1

protonema: it is a thread like chain of cells that forms the earliest stage of life cycles. prothallus: it is a flat green heart shaped formed as a result of germination of the spores

Answer 2

Answer:

The main difference between protonema and prothallus is that protonema is the first stage of development of mosses and liverworts whereas prothallus is the gametophyte of pteridophytes. Protonema is a thread-like chain of cells whereas prothallus is a heart-shaped structure.

Explanation:

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