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प्रश्न
Define the following term:
Speciation
Define the term speciation.
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उत्तर
The origin of new species by gradual modification is called speciation.
संबंधित प्रश्न
Name the scientist who influenced Darwin and how ?
Given alongside are two figures (A and B) showing a phenomenon that was first observed in Manchester before and after the year 1850.
Answer the following:
- What name has been given to this phenomenon?
- Give the common name and the scientific name of the insect involved in this phenomenon.
- Briefly mention why the changes shown in the two figures appeared.
- The following phenomenon provides a classical explanation of a scientific theory given by a certain scientist.
- Name and explain the said theory.
- Give the name of the scientist who gave this theory.
The theory of natural selection for evolution was proposed by ______.
Natural selection is a driving force for evolution-How?
Wild cabbage has evolved into new varieties like cabbage, broccoli, and cauliflower by ______
Select the correct statement.
Which of the following sequences fits into the organic evolution theory proposed by Charles Darwin and Alfred Wallace?
Which one of the following statement is correct?
Mention Darwin's observations made on finches during his visit of Galapagos Islands. Write the explanation given by Darwin on his observations.
Define the following term:
Natural selection
