1Which living thing is likely to have arisen first on the Earth?
2Were the living things found around us in existence from the very beginning?
3How did differences come about among living things?
4How do we come to know about organisms that existed lakhs of years ago?
5What is evolution? Write its definition.
6In what order did evolution take place in animals? Write the sequence.
7In what order did evolution take place in plants? Write the sequence.
8How were organic molecules formed, and why do they matter?