Assalamualaikum Wr. Wb.
After God swtmenciptakan earth with mountains, oceans and sea-grown - vegetation, created the heaven with its sun, moon and the stars that shine creates his angels spirits yangdiciptakan is a kind of worship to be an intermediary between the substance with the servants of the Almighty -servants, especially the apostles and prophets then came the will of Allah swt to create another kind of creature who will inhabit the earth and fill out enjoying keep-growing vegetation, which manages the wealth hidden in them and breed-hereditary heir inherits all the time that has been destined for him.