Respiration

EVOLUTION


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FOSSILS



       Fossils are the remains of dead bodies of prehistoric plants and animals. These provide good evidence for the organic evolution. Archaeopteryx is its best example. This animal has both the characters of reptiles and birds. Archaeopteryx had feathered wings like those of birds but possessed claws on the wings like reptiles. It also had a beak like birds but also had teeth like reptiles. This suggests that birds have evolved from reptiles.


Archeopteryx



Test Your Understanding and Answer These Questions:




  1. What are fossils?

  2. Give examples of fossils.

  3. How studies of fossils provide evidence for evolution?



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