hybrid seed VS heirloom seed

hybrid seed VS heirloom seed

Do you know these two different type Seed?

If you buy tomato seed, better to know difference.

HYBRID

1. more produce than heirloom
2. more disease resistance than heirloom
3. but you better not use seed next year , one generation only.
   HEIRLOOM

1. much more wide variety
   
2. great for organic garden
3. but usually less produce than hybrid
4. you can use seed next year again