A starfish with six arms, may be a case of

A. variation

B. evolution

C. autotomy

D. mutation

You can do it
  1. The first mammal arose
  2. Role of isolation in evolution is
  3. The diploid number of chromosome in Chimpanzee, Gorilla and Orangutan is
  4. The first life on earth came in water and evidences indicate that life originated in one of the following…
  5. Connecting link between nonchordata and chordata is
  6. Which animals dominated in Paleozoic era ?
  7. Pangenesis theory was given by
  8. Fire was first used for protection and cooking by
  9. Geological evidence of most primitive mammals is found in
  10. Doubis in 1891 found the fossil of Java ape man. It is
  11. The earliest ancestor of horse from early Eocene period is
  12. Which is a vestigeal organ of python
  13. The idea of "Survival of fittest" was given by
  14. The book "Voyage of the Beagle" is concerned with which one of the following ?
  15. An animal is more likely to be preserved as a fossil if it contains large quantities of
  16. Species were regarded as unchangeable by
  17. In forming the theory of evolution by Natural Selection, Charles Darwin was greatly influenced by
  18. Fossil Archaeopteryx was discovered and preserved as
  19. Which were dominant during Mesozoic era
  20. The age of a fossil may be determined most accurately
  21. The study of Galapagos Finches shows
  22. The function affected by point mutation in p-globin in sickle cell anaemia is
  23. Co-worker of Darwin was
  24. Which is not a vestigeal organ
  25. The book "Origin of Species" was written by Charles Darwin in
  26. The idea of spontaneous generation is essentially correct in regard to
  27. A connecting link between Annelids and Arthropods is
  28. The recent ancestors of modem man were
  29. A fossil is a
  30. We use the term hybrid breakdown when the