Explain modern synthetic theory of evolution.

Answer: Modern Synthetic Theory of Evolution. Julian Huxley proposed term ‘modern synthesis’. This theory was based on the work of Dobzansky. The salient features are as follows. i. According to the Modern synthetic theory of evolution, population is considered as […]

Describe the concept of “Survival of the fittest”.

Answer: Survival of the fittest. Survival of the fittest or Natural selection: i. The organisms having favourable variations succeed in the struggle for existence. ii. The organisms with unfavourable variations are unfit to survive and they perish. iii. This means […]