According to Darwin,organic evolution is due to:

  • A
    competition within closely related species
  • B
    reduced feeding efficiency in one species due to the presence of interfering species
  • C
    intraspecific competition
  • D
    interspecific competition

Explore More

Similar Questions

In recent years,$mt-DNA$ and $Y$-chromosome $DNA$ sequences have been used for the study of human evolution because:

The ultimate source of organic evolution is

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

An elephant produces six young ones in its life span of $100$ years. If this continues,then,in $750$ years,$19$ million elephants will be produced. It is $NOT$ possible in reality mainly due to . . . . . . .

The phrase 'Survival of the Fittest' was used by

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo