What is the first law of nature according to The KJV Bible ?

According to Genesis chapter 1: verse 28 of The King James Version Bible -

²⁸ And God blessed them, and God said unto them, Be fruitful, and multiply, and replenish the earth, and subdue it: and have dominion over the fish of the sea, and over the fowl of the air, and over every living thing that moveth upon the earth.

Here, the first law of nature is found in the form of human being procreation. 

Also the law of survival of the fittest.

Survival Alphabets

1- A•) Almighty, All in All

2-  B•) Be or Born 

3-  C•) Creative

4- D•) Develop or Disrupt 

5- E•) Edible 

6- F•) Fatherhood and Food

7- G•) Godly, Growth and or Guns 

8- H•) He, Her or Home 

9- I•) I or Intelligence 

10- J•) Justice 

11- K•) King or Kingdom 

12- L•) Love, Life and Laughter 

13- M•) Master or Monstrous 

14- N•) Now or Nationalism

15- O•) Optimism 

16- P•) Progressive 

17- Q•) Quality over Quantity 

18- R•) Rain 

19- S•) Self, Savior or Success 

20- T•) Truth 

21- U•) Universe 

22- V•) Victory 

23- W•) Win and or Warfare

24- X•) Xi or Xray

25- Y•) Yearly

26-  Z•) Zulu, Zig Zag Zig 

Survival Mathematics

1•) Knowledge

2•) Wisdom

3•) Understanding

4•) Culture of Freedom

5•) Power and Revolution

6•) Equality

7•) God

8•) Build or Disrupt

9•) Born 

0•) Cipher