Evolution

Evolution of living beings from low to high;

1. Dull matter like stone
2. Aquatics
3. Plants
4. Insects
5. Birds
6. Animals
7. Human Beings
8. Ghosts (ghosts are higher not because of higher consciousness but because they are powerful in that they are not limited by a gross body)
9. Gandharvas
10. Siddhas
11. Kinnaras
12. Asuras
13. Gods (administrative authorities of this universe)
14. Indra (King of all Gods)
15. Direct Sons of Brahma like King Daksha
16. Lord Siva (since He was born from Brahma in this universe)
17. Lord Brahma
18. Supreme Being Narayana
19. Devotee Brahmanas (since the Supreme Being Narayana is inclined to the Brahmanas)

SB 5.5.21-22