Principles and variations and inheritance part 2

The Darwinian variations are

The Darwinian variations are

Which one provides correct sequence of events in origin of species according to Darwinism ? 1. Natural selection 2. Variations and their inheritance ? 3. Survival of fittest 4. Struggle for existence

Which one provides correct sequence of events in origin of species according to Darwinism ? 1. Natural selection 2. Variations and their inheritance ? 3. Survival of fittest 4. Struggle for existence

Principles of inheritance and variation

Principles of Inheritance and variation

According to Darwin, if new variations are to be inherited they should be:

A genticist intersted in studing variations and patterns of inheritance in living being prefers to choose organisms for experiments with shorter life cycel Provide a reason.

Given : 1 = Natural selection , 2 = Variations and their inheritance , 3 = Survival of the fittest , 4 = struggle for existence According the Darwinism, which of the following represents the correct squence of events in the origin of new species ?

In polygenic inheritance