The most distinct alternation of generations is exhibited by:

Select the correct option for gemmae:

Given below are two statements: One labelled as Assertion $A$ and the other labelled as Reason $R$:
Assertion $A$: The first stage of gametophyte in the life cycle of moss is protonema stage.
Reason $R$: Protonema develops directly from spores produced in capsule.
In the light of the above statements,choose the most appropriate answer from options given below:

The male gametes of bryophytes are . . . . . . .

What is the habitat of liverworts?

In bryophytes,fertilization occurs in .........