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प्रश्न
What are objections raised against Darwin's theory?
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उत्तर
Some of the main objections raised against Darwin’s theory of natural selection are as follows:
- Natural selection is not the only factor responsible for evolution.
- In his theory, Darwin did not explain the inheritance of useful and useless modifications.
- No explanation regarding slow and abrupt changes was provided in this theory.
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संबंधित प्रश्न
Name the scientist who influenced Darwin and how ?
Objection to Darwin's theory of natural selection.
Write a short note based on the information known to you.
Darwin’s theory of natural selection.
Give the scientific name of the organism which is cited as the classical example of "natural selection".
Given below 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.
List any three drawbacks of Darwinism.
Answer the following question.
How did Charles Darwin express 'fitness'?
Answer the following question.
Explain ‘fitness of a species’’ as mentioned by Darwin.
Identify the two organisms which are now extinct and are studied from their fossils.
Wild cabbage has evolved into new varieties like cabbage, broccoli, and cauliflower by ______
If the fossil of an organism is found in the deeper layers of earth, then we can predict that
Study the following cross and showing self pollination in F1, fill in the blank and answer the question that follows
| Parents | RRYY | × | rryy |
| Round, Yellow | wrinkled, green | ||
| F1- | Rr Yy | × | ? |
| Round, yellow |
Which one of the following statement is correct?
According to Darwin, two different areas within a continent have different species because they have different:
Mention Darwin's observations made on finches during his visit of Galapagos Islands. Write the explanation given by Darwin on his observations.
Write drawbacks of Darwin's theory
Differences between individuals of the same species that arise naturally and can be passed to offspring are called:
Who accompanied Darwin on his voyage aboard the HMS Beagle?
The book Principles of Geology, which heavily influenced Darwin's views on organic evolution, was written by:
