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The first life on earth came in water and evidences indicate that life originated in one of the following eras :

A. Paleozoic

B. Mesozoic

C. Cenozic

D. Proterzoic

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  1. Pangenesis theory was given by
  2. A kind of mimicry which presumably works as a double insurance is
  3. A fossil is a
  4. A connecting link between Annelids and Arthropods is
  5. We use the term hybrid breakdown when the
  6. The first life on earth came in water and evidences indicate that life originated in one of the following…
  7. Connecting link between nonchordata and chordata is
  8. The age of a fossil may be determined most accurately
  9. The first mammal arose
  10. Fossilisation occurs where
  11. Doubis in 1891 found the fossil of Java ape man. It is
  12. Fossil Archaeopteryx was discovered and preserved as
  13. The resemblance between the south American llama and the African camel indicates a common ancestry.…
  14. Which animals dominated in Paleozoic era ?
  15. Human beings living in different geographical areas and under different environmental conditions are…
  16. Role of isolation in evolution is
  17. The concept of use and disuse of organs was given by
  18. The idea of spontaneous generation is essentially correct in regard to
  19. The idea of "Survival of fittest" was given by
  20. Which of the following gases were absent in free form when life originated on earth?
  21. An animal is more likely to be preserved as a fossil if it contains large quantities of
  22. The function affected by point mutation in p-globin in sickle cell anaemia is
  23. Darwin proposed his theory of natural selection on the basis of
  24. The book "Voyage of the Beagle" is concerned with which one of the following ?
  25. In forming the theory of evolution by Natural Selection, Charles Darwin was greatly influenced by
  26. The fossil formed from harder parts of the body infiltrated by minerals and turned into stony shapes…
  27. The first fossil man was
  28. The study of Galapagos Finches shows
  29. Which were dominant during Mesozoic era
  30. Which is a vestigeal organ of python