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Why are human beings who look so differe...

Why are human beings who look so different from each other in terms of size, colour and looks said to belong to the same species?

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### Step-by-Step Solution: 1. **Definition of Species**: - A species is defined as a group of individuals that can interbreed and produce fertile offspring. This means that members of the same species share genetic similarities that allow them to reproduce with one another. 2. **Observable Features**: - Human beings exhibit a wide range of observable features such as size, color, and physical appearance. These features can vary significantly among individuals. ...
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NCERT ENGLISH-HEREDITY AND EVOLUTION-Exercise
  1. Why are the small numbers of surviving tigers a cause of worry from th...

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  2. What factors could lead to the rise of a new species?

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  3. Will geographical isolation be a major factor in the speciation of a s...

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  4. Will geographical isolation be a major factor in the speciation of an ...

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  5. Give an example of characteristics being used to determine how close t...

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  6. Can the wing of a butterfly and the wing of a bat be considered homolo...

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  7. What are fossils? What do they tell us about the process of evolution

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  8. Why are human beings who look so different from each other in terms of...

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  9. In evolutionary terms, can we say which among bacteria, spiders, fish ...

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  10. An example of homologous organs is

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  11. In evolutionary terms, we have more in common with

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  12. A study found that children with light-coloured eyes are likely to hav...

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  13. How are the areas of study – evolution and classification – interlinke...

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  14. Explain the terms analogous and homologous organs with examples.

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  15. Outline a project which aims to find the dominant coat colour in dogs.

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  16. Explain the importance of fossils in deciding evolutionary relationshi...

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  17. What evidence do we have for the origin of life from inanimate matter?

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  18. Explain how sexual reproduction gives rise to more viable variations t...

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  19. How is the equal genetic contribution of male and female parents ensur...

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  20. Only variations that confer an advantage to an individual organism wil...

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