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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
What is "fitness of an individual" according to Darwin?
Briefly discuss the Theory of Natural Selection as given by Darwin.
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 ______.
Select the correct statement.
Which one of the following statement is correct?
Nature has a way of causing organisms that inherit advantageous traits to survive and reproduce more successfully than the ones that do not. This process is known as ______.
Charles Darwin explained the origin of species through ______.
The scientist who is regarded as the "Father of Evolution" is ______.
Mention four main postulates of Darwin's theory.
