How are seeds advantageous angiosperms ?

Explanation

Significance of seeds: Seeds offer the following advantages to plants:
Sincereductive processes such as pollination and fertilization are dependent on water,seed formation is more dependable.
. Seeds have adaptation for dispersal to new habitats and help the species to colonize in other areas Seeds have enough food reserves to nourish seedlings until they are capable of photosynthesis on their own..
• The hard seed coat provides protection to the young embryo.
• Seeds are the product of sexual reproduction, hence they generate new genetic combinations leading to variations. 
Seed is the basis of our agriculture. Dehydration and dormancy of mature seeds are crucial for storage of seeds, which can be used as food throughout the year and also raise crops in the next season