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Evolution

Question
CBSEENBI12047428
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Archaeopteryx is a connecting link between

  • pisces and amphibians

  • amphibians and reptiles

  • reptiles and birds

  • birds and mammals

Solution

C.

reptiles and birds

Archaeopteryx is a connecting link between birds and reptiles. They possessed long tail, teeth in jaws, long neck with cervical vertebrae, all are reptilian characters. Like birds, it had wings and beak. It was warm blooded. Hence, it is considered as a connecting link between reptiles and birds.

Some More Questions From Evolution Chapter

Which group of organisms were responsible for appearance of free oxygen in the atmosphere of the primitive earth ?

What is meant by the term fossil ?

What is the type of evolution in which the same structure developed along different directions due to adaptations to different needs ?

Name the different eras of geologic time scale.

What is single step large mutation?

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.

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