Answers

  • Brainly User
2014-10-11T16:43:26+05:30
Heterospory is the production of spores of two different sizes and sexes by the saprophytes of land plants.
it's significance :       
increased survival rates of gametophyte as it is enclosed within a sterile jacket of cells ... also, this advancement set the stage for evolution of seeds and pollen
1 5 1
2014-10-11T17:10:09+05:30
The phenomena of having two types  of spore by the same plant is called as heterospory . it is found in pteridophytes like selaginella , salvinia , marsilea , all gymnosperms and angiosperms.. :)

0