Home
Class 12
BIOLOGY
Explain the interpretation of Charles Da...

Explain the interpretation of Charles Darwin when he observed a variety of smallblack birds on Galapagos Islands.

Text Solution

Verified by Experts

Charles Darwin oberved a variety of small black birds called finches .By observing their characteristic on the Galapagos Island ,he proposed this fomous theory known as the theory of natural selection.
1. All organisms possess are limited
There is a struggle for the existence within a species as well as between two different species .
4. Natural selection will favour the survival of the species .
No two individuals will be exactly identical except twins some variations will always exist. Darwin belived that variations will ultimately lead to the formation of new species.
Promotional Banner

Topper's Solved these Questions

  • XII BOARDS

    XII BOARDS PREVIOUS YEAR|Exercise SET- I|35 Videos
  • XII BOARDS

    XII BOARDS PREVIOUS YEAR|Exercise SET-II|44 Videos
  • SAMPLE PAPER 2019

    XII BOARDS PREVIOUS YEAR|Exercise Section E Part B|3 Videos

Similar Questions

Explore conceptually related problems

The birds of Galapagos islands are

On which islands Darwin observed many varieties of finches

The original Darwin's Finches on Galapagos islands was :

Study the figure and answer the following (a)Write your observations on the variations seen in the Darwin's finches shown above . (b)How did Darwin explain the existance of different varietie of finches on Galapagos Islands ?

Darwin's finches on Galapagos islands are example of

XII BOARDS PREVIOUS YEAR-XII BOARDS-SET-III
  1. Enumerate ate four objectives for improving the nutritional quality of...

    Text Solution

    |

  2. Describe the development of endosperm after double fertilization in an...

    Text Solution

    |

  3. Explain the interpretation of Charles Darwin when he observed a variet...

    Text Solution

    |

  4. A DNA segment has a total of 2,000 nucleotides, out of which 520 are a...

    Text Solution

    |

  5. A flower of tomato plant following the process of sexual reproduction ...

    Text Solution

    |

  6. Explain the development of a secondary oocyte ( ovum) in a human femal...

    Text Solution

    |

  7. Suggest any two possible tratments that can be given to a patient exhi...

    Text Solution

    |

  8. A liverwort plant is unable to complete its life- cycle in a dry envio...

    Text Solution

    |

  9. The F(2) progeny of a monohybrid cross showed phenotypic and genotypi...

    Text Solution

    |

  10. Why are some seeed refferred to as apomictic seeds ? Mention one adant...

    Text Solution

    |

  11. 'A very small sample of tissue or even a drop of blood can help determ...

    Text Solution

    |

  12. (a) How are Mendelian inheritance, polygenic inheritance arid pleiotro...

    Text Solution

    |

  13. (a) Draw a labelled diagram of a "replicating fork" showing the polari...

    Text Solution

    |

  14. given an example of a codon having dual function .

    Text Solution

    |

  15. Distinguish between the roles of flocks and anaerobic sludge diges...

    Text Solution

    |

  16. plants that inhabit a rain - forest are not found in a wetland ,...

    Text Solution

    |

  17. Angiosperms bearing unisexual flowers and said to be either monoe...

    Text Solution

    |

  18. explain with the help of suitable examples the three different ways...

    Text Solution

    |

  19. 1. What stimulates pituitary to release the hormone responsible to, pa...

    Text Solution

    |

  20. Pollinating species of wasps show mutualism with specific 5g plants. M...

    Text Solution

    |