Advertisements
Advertisements
Question
Name the scientist who gave the theory of origin of life on earth. What is this theory?
Solution
The theory of origin of life on earth was given by J.B.S. Haldane in 1929. He suggested that life must have evolved from the simple inorganic molecules such as ammonia, methane and hydrogen sulphide that were present on earth when it was formed. He said that conditions on earth at that time could have converted simple inorganic molecules into complex organic molecules necessary for life. These complex organic molecules must have combined together to form the first living organisms.
APPEARS IN
RELATED QUESTIONS
Planaria, insects, octopus and vertebrates all have eyes. Can we group eyes of these animals together to establish a common evolutionary origin? Justify your answer.
"Birds have evolved from reptiles" State evidence to prove the statement.
Explain how sexual reproduction gives rise to more viable variations than asexual reproduction. How does this affect the evolution of those organisms that reproduce sexually?
Where did life originate on the earth?
Fill in the following blank with suitable word :
The evolution of eye is an example of evolution by ............
Fill in the following blank with suitable word :
The theory of natural selection for evolution was proposed by ..............
What evidence do we have for the origin of life from inanimate matter (lifeless matter)
What do you understand by the term 'evolution'?
A basket of vegetables contains carrot, potato, radish, and tomato. Which of them represent the correct homologous structures?
The process of selecting individuals with desired characters by man is called ______
