About God blessing His creation:

So God created the great creatures of the sea and every living and moving thing with which the water teems, according to their kinds, and every winged bird according to its kind. And God saw that it was good. � God blessed them and said, "Be fruitful and increase in number and fill the water in the seas, and let the birds increase on the earth." � And there was evening, and there was morning--the fifth day. � So God created man in his own image, in the image of God he created him; male and female he created them. � God blessed them and said to them, "Be fruitful and increase in number; fill the earth and subdue it. Rule over the fish of the sea and the birds of the air and over every living creature that moves on the ground." � Then God said, "I give you every seed-bearing plant on the face of the whole earth and every tree that has fruit with seed in it. They will be yours for food. � By the seventh day God had finished the work he had been doing; so on the seventh day he rested from all his work. � And God blessed the seventh day and made it holy, because on it he rested from all the work of creating that he had done. � This is the account of the heavens and the earth when they were created. When the Lord God made the earth and the heavens-- � 

Verse References In The Order Presented Above -- Genesis 1:21 ; Genesis 1:22 ; Genesis 1:23 ; Genesis 1:27 ; Genesis 1:28 ; Genesis 1:29 ; Genesis 2:2 ; Genesis 2:4  (NIV)