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A starfish with six arms, may be a case of

A. variation

B. evolution

C. autotomy

D. mutation

You can do it
  1. The diploid number of chromosome in Chimpanzee, Gorilla and Orangutan is
  2. Which of the following gases were absent in free form when life originated on earth?
  3. Which were dominant during Mesozoic era
  4. In forming the theory of evolution by Natural Selection, Charles Darwin was greatly influenced by
  5. The first life on earth came in water and evidences indicate that life originated in one of the following…
  6. Connecting link between nonchordata and chordata is
  7. A kind of mimicry which presumably works as a double insurance is
  8. Along with reduction in the number of toes in the modern horse, the other most significant evolutionary…
  9. The study of Galapagos Finches shows
  10. Which animals dominated in Paleozoic era ?
  11. Which is not a vestigeal organ
  12. The book "Voyage of the Beagle" is concerned with which one of the following ?
  13. A connecting link between Annelids and Arthropods is
  14. The age of a fossil may be determined most accurately
  15. Role of isolation in evolution is
  16. An animal is more likely to be preserved as a fossil if it contains large quantities of
  17. Some of the important evidences of organic evolution are
  18. Which is a vestigeal organ of python
  19. The earliest ancestor of horse from early Eocene period is
  20. A starfish with six arms, may be a case of
  21. Appearance of ancestral characters in the new born, such as tail, monstral face, gill slits, multiple…
  22. Darwin proposed his theory of natural selection on the basis of
  23. Ontogeny recapitulates phylogeny is the statement relating to
  24. Fossil Archaeopteryx was discovered and preserved as
  25. The idea of "Survival of fittest" was given by
  26. Geological evidence of most primitive mammals is found in
  27. Fire was first used for protection and cooking by
  28. The fossil formed from harder parts of the body infiltrated by minerals and turned into stony shapes…
  29. Pangenesis theory was given by
  30. Which of these does not play a role in evolution ?