Question 13 Marks
How did life develop on Earth? Or What was the origin of life on earth?
Answer
View full question & answer→- After the creation of the Earth, it took about 80 crore years for its surface to cool down and for water bodies to be formed on it.
- Various kinds of unicellular organisms known as protozoa, first appeared in water.
- Gradually, multicellular living things developed from these unicellular ones.
- Thus, life developed on Earth.