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प्रश्न
Define organic evolution.
What is meant by organic evolution?
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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
Multiple choice question.
Select the analogous organs.
Multiple choice question.
Which of the following characteristic is not shown by the ape?
The first life on earth originated ____________.
List out the major gases that seem to be found in the primitive earth.
According to Oparin, which one of the following gases was not present in the primitive atmosphere of the earth?
Evolution was termed RNA world due to the discovery of:
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 ______.
Louis Pasteur’s experiments, if you recall, proved that life can arise from only pre-existing life. Can we correct this as life evolves from pre-existent life or otherwise we will never answer the question as to how the first forms of life arose? Comment.
Why is nascent oxygen supported to be toxic to aerobic life forms?
