In which of the following plants are the male and female gametophytes haploid,autotrophic,and independent free-living?

Identify the mosses and liverworts from the following list:
$I$ - $Sphagnum$,$II$ - $Funaria$,
$III$ - $Marchantia$,$IV$ - $Polytrichum$
$\text{Mosses} \quad\quad \text{Liverworts}$

Mosses show

Which group of plants is considered the first to colonize land?

$A$: $Riccia$ is a very simple and primitive bryophyte.
$R$: In $Riccia$,the zygote undergoes division to form an embryo after fertilization.

Give the economic importance of bryophytic plants.