In Bryophytes male and female sex organs are called ____________ and __________.

The plant body in higher plants is well differentiated and well developed. Roots are the organs used for the purpose of absorption. What is the equivalent of roots in the less developed lower plants?

Most algal genera show haplontic life style. Name an alga which is

a. Haplo-diplontic

b. Diplontic

Why are bryophytes called the amphibians of the plant kingdom?

The male and female reproductive organs of several pteridophytes and gymnosperms are comparable to floral structures of angiosperms. Make an attempt to compare the various reproductive parts of pteridophytes and gymnosperms with reproductive structures of angiosperms.