Which one of the following is considered important in the development of seed habit?

Options

A. Dependent sporophyte
B. Heterospory
C. Haplontic life cycle
D. Free-living gametophyte

Answer

B

Explanation

(b) Heterospory is the production of spores of two defferent sizes and of two different developmental patterns. It is the most important evolutionary development in the vascular plants because it has ultimately lead to seed development, which is seen in , Selaginella, Salvinia, Azolla, etc.