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प्रश्न
Define organic evolution.
What is meant by organic evolution?
उत्तर
Organic evolution is a slow, gradual, continuous and irreversible change through which the present-day complex forms have descended from their simple pre-existing forms of the past.
संबंधित प्रश्न
Describe the experiment that helped Louis Pasteur to dismiss the theory of spontaneous generation of life.
Rearrange the human activities mentioned below as per the order in which they developed after the modern Homo sapiens came into existence during ice age:
(i) Human settlement
(ii) Prehistoric cave art
(iii) Agriculture
Explain the term chemogeny
Multiple choice question.
Which of the following characteristic is not shown by the ape?
The first life on earth originated ____________.
Evolution was termed RNA world due to the discovery of:
The Big Bang theory states that the formation of the universe began approximately ______ years ago.
The theory of spontaneous generation stated that ______.
In 1953 S. L. Miller created primitive earth conditions in the laboratory and gave experimental evidence for origin of first form of life from pre-existing non-living organic molecules. The primitive earth conditions created include ______.
Explain how did the experiment conducted by S.L. Miller substantiate that life evolved from preexisting nonliving organic molecules.
