We find Kayin pleading with God in the hope to receive a less hard punishment or protection so that he would not be killed out of revenge.
God made Himself a beautiful Royal Garden, the Gan Eden with in the midst of it a Etz HaDa'as Tov v'Rah or Tree of moral of which God asked man not to touch it nor eat from the fruit that gives knowledge about good and evil because they would then certainly die. But we come to see that the nachash (temptation) was to strong for the isha and she got her husband involved in her act of disobedience to the Elohim.
Created in the image of God man has 49 sefirot in him or a 49-step process of self-refinement, having received orders from his Maker Who expect to fit man in His holy Plan.
After having brought structure in the cosmic chaos living creatures after their kind, came to populate waters and land. Last but not least human beings got the breath of life in them to multiply on earth.