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प्रश्न
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.
उत्तर
Common name: Peppered moth.
Scientific name: Biston betularia.
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संबंधित प्रश्न
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:
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.
Theory of evolution : Darwin : : ____________ : Lamarck
What is inheritance of acquired characters?
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?
Observe the following figure and explain the concept.
