Which medium is required for the transport of gametes in Algae,Bryophytes,and Pteridophytes?

Write a note on the economic importance of algae and gymnosperms.

Which one of the following is wrongly matched?

$A$ - In bryophytes,the gametophyte is dominant and haploid.
$B$ - In pteridophytes,the gametophyte is multicellular,short-lived,and haploid.

Vascular tissues are absent in $......$.

Plants like mosses and ferns that reproduce through spores are grouped under which category?