Question

what is meant by protonema​

Answer 1

Explanation:

A protonema (plural: protonemata) is a thread-like chain of cells that forms the earliest stage (the haploid phase) of the life cycle of mosses. 

Answer 2

Answer:

A protonema (plural: protonemata) is a thread-like chain of cells that forms the earliest stage (the haploid phase) of the life cycle of mosses. ... Moss spores germinate to form an algae-like filamentous structure called the protonema. It represents the juvenile gametophyte.

Explanation: