Question

What are the requirements for development of seed habits

Answer 1

Answer:

The adoption of heterospory and the retention and germination of a single megaspore within megasporganism to form a female gametophyte, led to the phenomenon of "seed habit", a characteristic feature of the spermatophytes. A seed is that ovule which contains on embryo developed as a result of fertilization.

Answer 2

Answer:

              Requirements for development of seed habits:

• The heterospory adoption and its retention and a single megaspore germination forms the female gametophyte leading to a “seed habit” phenomenon, which is a ‘characteristic feature’ of spermatophyte.
• This is the reason for the development of an ovule contains embryo as a result of ‘fertilization’.
• The production of two or more than one type of spore of a single plant. This phenomenon is said as heterospory.
• The presence of soil, water and air are “very essential to carry forward” development of seed habit.