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प्रश्न
Theory of evolution : Darwin : : ____________ : Lamarck
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उत्तर
Theory of evolution : Darwin : : Ancestry of acquired characters : Lamarck
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संबंधित प्रश्न
Write a short note based on the information known to you.
Lamarckism
Survival of fittest : Darwin : : Acquired characters : ..............................
The first scientist who proposed his theory for evolution was ______.
Mention the two principles through which Lamarck explained his ideas.
Briefly discuss Lamarckian Theory of Inheritance citing an appropriate example.
Explain the occurrence of vestigial organs on the basis of Lamarck's theory of use and disuse.
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:
Give the common name and the scientific name of the insect involved in this phenomenon.
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:
The following phenomenon provides a classical explanation of a scientific theory given by a certain scientist.
(i) Name and explain the said theory.
(ii) Give the name of the scientist who gave this theory.
Observe the picture and answer the following questions.
- The given picture indicates which principle?
- Explain that principle in your language.
- What is the meaning of acquired characteristics?
The ‘use and disuse theory’ was proposed by ______.
The characters developed by the animals during their life time, in response to the environmental changes are called ______.
According to the postulate on the 'Formation of New Organs', a new organ develops in response to which factor?
Which environmental change did Lamarck cite as driving the evolution of the horse?
In the evolution of the horse, the shift from being flat-footed to running on hooves corresponds to which specific change?
August Weismann dealt the greatest blow to Lamarckism through which theory?
According to the scientific conclusion that rejected Lamarckism, modifications caused by the environment or the 'use and disuse' of organs only affect which cells?
For an acquired trait to be transmitted to the next generation, which of the following cell types would need to be altered?
