Which of the following example of variation is not important from an evolutionary standpoint?
Genetic differences between individual organisms comprising the population
Inherited difference between individual organisms comprising the population
Both $(a)$ and $(b)$
Difference due to diet, health, age and accident that have no affect on an individual's ability to survive and reproduce
Large size of pinnae in animals of warm region in comparison to animal of cold region is due to
The gases used in the spark-discharge apparatus were
One of the following can be used as an illustration to demonstrate process of evolution in animals
The age of the fossil of Dryopithecus on the geological time scale is