SSC MCQ Question Ans. Starting a New Life. It is thought that life originated on the earth about three hundred and fifty crore years ago. The climate of the world then was not stable. After crores of years now, the world is in a stable position and has a more or less specific climate. Many species live on this earth. That is the first created early life evolved to these species. The events for the creation of earth are called chemical evolution. Biological evolution means the change of life in any population, which creates a new species.
SSC MCQ Question Ans. Starting a New Life
The man is the greatest creation of the Creator. Man’s life begins with a cell in the mother’s womb. In the early part of life, it takes the shape of a baby. Later the baby gradually develops to the stage of old age. One of the evolving stages of the life cycle of a man is adolescence. During adolescence, physical and mental changes take place in human body. In this chapter, we shall discuss the origin and evolution of life on earth and the course of physical and mental changes during adolescence.
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