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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.
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उत्तर
Common name: Peppered moth.
Scientific name: Biston betularia.
संबंधित प्रश्न
a) Explain in brief - Lamarck’s principle of ‘use or disuse of organs’.
b) Give two examples.
c) What are ‘acquired characters’?
What is inheritance of acquired characters?
Explain Lamarck’s Principle.
The theory proposed by Lamarck is ______.
Observe the figure given below and answer the questions that follow:
- What is the figure depicting?
- What was the reason that the giraffe stretched their neck and forelimbs?
- What is the name of the theory that is being depicted in the figure?
- Who explained the theory?
- What is the conclusion of this theory?
According to the 'Use and Disuse of Organs' principle, what is the effect of continuous disuse of an organ?
Under the postulate of 'Inheritance of Acquired Characters', how are traits or modifications acquired during an organism's lifetime transmitted to its offspring?
In the evolution of the horse, the shift from being flat-footed to running on hooves corresponds to which specific change?
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?
