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Evolution

Question
CBSEENBI12002369
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Forelimbs of cat, lizard used in walking forelimbs of whale used in swimming and forelimbs of bats used in flying are an example of 

  • analogous organs

  • adaptive radiation

  • homologous organs

  • convergent evolution

Solution

C.

homologous organs

Homologous organs, are those organs which have a common fundamental anatomical plan and similar embryonic origin but perform varied functions. Forelimbs of cat, lizard used in walking, forelimbs of bats used in flying are the example for homologous organs. All are the modified forelimbs, with the same type of bones. They have become different due to the adaptions to the different habitat.

Some More Questions From Evolution Chapter

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Name the different eras of geologic time scale.

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Consider a thorn in Bougainvillea and a tendril in cucurbita. Are these two organs homologous or analogous ? Give reason.

Give two examples that represent adaptive radiation.

Which theory attempts to explain to us the origin of universe?

Evolution is a discontinuous process. Is it correct ?

Give the three key factors of the modern concept of evolution.

Which other term can be used for natural selection ?

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