Question

Name the following:
Development of newer types of organisms from pre-existing ones.

Answer 1

Evolution:

1. The development of newer types of organisms from pre-existing ones is called ‘evolution’.
2. Darwin has called evolution to be descent with modifications.
3. He also proposed the theory of natural selection.
4. According to Darwin, variations occur in all individuals of a species. Individuals with useful variations survive and pass these variations on to the next generation. In this way, useful variations are accumulated over time which leads to the formation of a new species.