How many major groups have recent researchers classified the Plant Kingdom into?

Differentiate between Gymnosperms and Angiosperms.

How do algae differ from bryophytes?

List some of the plants is given below $:-$
$(i)$ Marchantia $(ii)$ Sphagnum $(iii)$ Pteris $(iv)$ Polytrichum $(v)$ Pinus $(vi)$ Cycas $(vii)$ Castor
In how many above plants do both male and female gametophytes not have an independent free-living existence?

$A.$ Fucus algae exhibits a diplontic life cycle.
$R.$ In Spirogyra algae,the diploid zygote is the dominant and active stage.

Make a list of algae and fungi that have commercial value as a source of food,chemicals,medicines,and fodder.