The activity must be complemented after research on the periods of the earth and its biological organization in each period.
<h3>Response structure</h3>
Present the period of the earth you have chosen.
Show what the atmosphere was like at that time.
Show how this affected animal and plant life.
Show what the weather was like at that time.
You can choose the primitive period of the earth, because the biological and atmospheric structure was simpler, with few elements and the earth proved to be an inhospitable place.
This simplicity will make your search simpler and your answer easier to establish.
The would enable a woman to assess a man's level of commitment, detect the existence of prior commitments to other women or children, and simultaneously signal to the man her sexual fidelity.
City-state, a political system consisting of an independent city having sovereignty over contiguous territory and serving as a centre and leader of political, economic, and cultural life.
