'Essay on the Principle of Population' was published by

Which one of the following sequences was proposed by Darwin and Wallace for organic evolution?

The transfer of genes from one population to another through interbreeding is called.....

Given below are two statements.
Statement $I$ - According to Darwin,the gradual,inheritable variations over a long period of time lead to speciation.
Statement $II$ - According to Hugo de Vries,mutations are the cause of variations.
In the light of above statements,select the correct option given below:

The chance of elimination of genes from a small population is an example of

According to Neo-Darwinism,which of the following is responsible for the origin of new species?