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. The resemblance between the south American llama and the African camel indicates a common ancestry.…
  2. The recent ancestors of modem man were
  3. The first fossil man was
  4. Species were regarded as unchangeable by
  5. The fossil formed from harder parts of the body infiltrated by minerals and turned into stony shapes…
  6. We use the term hybrid breakdown when the
  7. The earliest ancestor of horse from early Eocene period is
  8. Darwin proposed his theory of natural selection on the basis of
  9. Along with reduction in the number of toes in the modern horse, the other most significant evolutionary…
  10. Fossil Archaeopteryx was discovered and preserved as
  11. Which were dominant during Mesozoic era
  12. Which is a vestigeal organ of python
  13. The first life on earth came in water and evidences indicate that life originated in one of the following…
  14. Ontogeny recapitulates phylogeny is the statement relating to
  15. Some of the important evidences of organic evolution are
  16. A fossil is a
  17. In forming the theory of evolution by Natural Selection, Charles Darwin was greatly influenced by
  18. Human beings living in different geographical areas and under different environmental conditions are…
  19. Role of isolation in evolution is
  20. The study of Galapagos Finches shows
  21. Co-worker of Darwin was
  22. The idea of "Survival of fittest" was given by
  23. The diploid number of chromosome in Chimpanzee, Gorilla and Orangutan is
  24. Which of the following gases were absent in free form when life originated on earth?
  25. A starfish with six arms, may be a case of
  26. The age of a fossil may be determined most accurately
  27. Amphibians appeared and became dominant in the
  28. The function affected by point mutation in p-globin in sickle cell anaemia is
  29. Which animals dominated in Paleozoic era ?
  30. Doubis in 1891 found the fossil of Java ape man. It is