A starfish with six arms, may be a case of

A. variation

B. evolution

C. autotomy

D. mutation

You can do it
  1. Which were dominant during Mesozoic era
  2. Fossil Archaeopteryx was discovered and preserved as
  3. The resemblance between the south American llama and the African camel indicates a common ancestry.…
  4. Ontogeny recapitulates phylogeny is the statement relating to
  5. Amphibians appeared and became dominant in the
  6. An animal is more likely to be preserved as a fossil if it contains large quantities of
  7. The idea of "Survival of fittest" was given by
  8. Geological evidence of most primitive mammals is found in
  9. Which is a vestigeal organ of python
  10. Which of the following gases were absent in free form when life originated on earth?
  11. The book "Origin of Species" was written by Charles Darwin in
  12. The study of Galapagos Finches shows
  13. Appearance of ancestral characters in the new born, such as tail, monstral face, gill slits, multiple…
  14. The earliest ancestor of horse from early Eocene period is
  15. Fire was first used for protection and cooking by
  16. Pangenesis theory was given by
  17. Peking man is known as
  18. The first fossil man was
  19. The fossil formed from harder parts of the body infiltrated by minerals and turned into stony shapes…
  20. The epoch of human civilisation is
  21. Human beings living in different geographical areas and under different environmental conditions are…
  22. We use the term hybrid breakdown when the
  23. Along with reduction in the number of toes in the modern horse, the other most significant evolutionary…
  24. The recent ancestors of modem man were
  25. The first mammal arose
  26. Co-worker of Darwin was
  27. Species were regarded as unchangeable by
  28. In forming the theory of evolution by Natural Selection, Charles Darwin was greatly influenced by
  29. The first life on earth came in water and evidences indicate that life originated in one of the following…
  30. Which animals dominated in Paleozoic era ?