Which of the following is of considerable economic importance?

Bryophytes differ from Thallophytes in which of the following?

In $Funaria$ $(moss)$,the spore germinates to produce:

Choose the correct statement about liverworts.
$I.$ In liverworts,sexual reproduction occurs by the fusion of antherozoids and egg,which are produced in antheridium and archegonium,respectively.
$II.$ Both male and female sex organs may be present on the same thallus or different thalli.
$III.$ The zygote gives rise to a sporophyte,which is differentiated into foot,seta,and capsule.
$IV.$ Some cells of the capsule undergo meiosis and give rise to haploid spores.

The plant group that lives in an amphibious state between algae and pteridophytes is ........

In bryophytes,male and female sex organs are called $......$ and $.......$.