Q1. How was life of living organisms which lived millions of years before dinosaurs?
Ans- The first life forms were very small, single-celled organisms. They were like tiny specks of living matter. These organisms are called protoplasm. Scientists say that protoplasm are the starting of life on this planet.
Q2. How did plants came into existence?
Ans- So, protoplasm were the earliest known living organisms, some of them then developed think walls around them, and they couldn't move. These were the first plants. These had chlorophyll to trap sun's energy, and used water and carbon dioxide to make food.
Q3. How these tiny organisms converted to plants we see today?
Ans- All the living matter on our planet is made up of cells, and these cells are like atoms of a living thing. Each cell in our body is living. Early there were only single celled organisms, but then they started to develop more cells, and then they converted to the plats we see today.
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