Answer :

According to Darwin’s theory of evolution, life on Earth originated in the form of a hot sphere which gradually cooled down and then afterward environment was formed. Simple elements were present previously which combined via chemical reactions to form simple compounds which on further reaction resulted in complex compounds resulting in the formation of essential components of life such as carbohydrates, proteins etc. Suddenly a living organism originated which gave rise to present life forms by organic evolution.


Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
Life Processes - Concept Recap For BoardsLife Processes - Concept Recap For BoardsLife Processes - Concept Recap For Boards75 mins
Magnetic Field of Circular ConductorMagnetic Field of Circular ConductorMagnetic Field of Circular Conductor41 mins
Magnetic Effects of Electric CurrentMagnetic Effects of Electric CurrentMagnetic Effects of Electric Current44 mins
Lifelines of National Economy + Manufacturing Industries RevisionLifelines of National Economy + Manufacturing Industries RevisionLifelines of National Economy + Manufacturing Industries Revision47 mins
Electric MotorElectric MotorElectric Motor37 mins
Indicators show the Nature of Acids & Bases. How?Indicators show the Nature of Acids & Bases. How?Indicators show the Nature of Acids & Bases. How?34 mins
Electromagnetic  InductionElectromagnetic  InductionElectromagnetic Induction38 mins
Magnetic ForceMagnetic ForceMagnetic Force48 mins
Devour Parts of SpeechDevour Parts of SpeechDevour Parts of Speech45 mins
Heating Effect of Electric CurrentHeating Effect of Electric CurrentHeating Effect of Electric Current42 mins
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
caricature
view all courses
RELATED QUESTIONS :

The meaning of thRajasthan Board Science

Which place is thRajasthan Board Science

What is the meaniRajasthan Board Science

Life can be foundRajasthan Board Science

Which animal is rRajasthan Board Science

How many planets Rajasthan Board Science

How must the firsRajasthan Board Science

At the time of thRajasthan Board Science

The Physical enviRajasthan Board Science