1. Is vermiform appendix no more a vestigial organ?

  2. Evolutionarily, why do male rats and horses lack nipples?

  3. Why do marmosets have claws when most primates don't? What is the structure of their hands like?
  4. Is there any evidence that supports glycolysis in mitochondria or chloroplasts?
  5. How did the nucleus of eukaryotic cells evolve?

  6. Cell-level selection and inheritance of acquired mutations
  7. In what does Genetic clustering and Cline sharpness differ?
  8. Evolution from species to another

  9. Why hasn't evolution gotten rid of the appendix yet?
  10. Has a new functional structure ever been observed arising spontaneously?

  11. Why do cats meow but lions and tigers roar?

  12. When did the mammalian outer ear evolve?
  13. How are the wings of birds, pterosaurs and bats related to each other?
  14. Can any species be bred selectively/engineered to become as diverse looking as dogs?
  15. When analyzing whether selection favors an allele that allocates indiscriminately, should the initial frequency of the allele be considered?

  16. Does Pasteur's experiment contradict an origin of life?
  17. How did early(naked) human males run with genitals swinging all around?
  18. Different rates of evolution of animals. Some animals developed more complex than the others
  19. Evolution as a directed graph exploration?

  20. Is the suicide of a moribund individual to be considered group selection?

  21. How to give a biological interpretation to this phase portrait?
  22. Are we "more evolved" than present-day bacteria?

  23. Is "Monophyly" context dependent?
  24. Are there examples of sexual selection effecting traits in both sexes equally?

  25. The role of atomic theory in biology

  26. Why babies cry after they are born?

  27. Has a mammalian species that cannot interbreed with another ever been selectively bred in isolation from it so that it can?

  28. Sequence evolution simulation tool

  29. Examples of chromosome fusions

  30. Why are there so many different humans yet chimpanzees are just chimpanzees?
  31. book on human sexuality evolution

  32. Have we ever observed two drosophila lineages that evolved reproductive isolation in labs?
  33. Why can we sniff so much?

  34. How has the theory of evolution changed over time?

  35. How does selection affect allele frequency?

  36. why has evolution favored sexual reproduction using two mates over sexual reproduction using three mates?

  37. Did Darwin explain why he believed that domestic dogs descend from several distinct species of ancestor?

  38. How many generations does it take for one species to become a new one?

  39. Why outgroups are supposed to be ancestral?

  40. Could humans and chimpanzees hybridize?
  41. Why does the slope of parent-offspring regression equals the heritability in the narrow sense?

  42. How were we able to determine the age of the first cell?
  43. Inbreeding vs Mutations
  44. Is it mostly true that predators or parasites traverse wider spatial areas than their prey or hosts?

  45. Why do humans find baby animals cute?

  46. Hardy-Weinberg sex linked formula
  47. Would current-day human-initiated panspermia be effective?

  48. Polyploidy, or why plants of different species can produce fertile offspring hybrids more frequently than animals?

  49. Do all living humans literally descend from one ape?

  50. What Evidence Do We Have For the First Mammal?
  51. Did spiders respond to light for building webs before artificial light was invented?
  52. Book request: systematics and evolution of vertebrates

  53. Is evolution a fact?

  54. Is there any biological evidence that is not suggestive of or seems to disprove evolution?
  55. Is there a taxon that "adaptively" radiates faster?

  56. What is it called when there is natural truncation selection?
  57. Why are monotremes so rare?

  58. ABO-antigen and winter vomiting disease
  59. Derivation of discrete replicator dynamics

  60. What is the point of having evolved two nostrils?

  61. How come most animals never seem to evolve over millenia?
  62. Have some humans evolved to be less attractive to mosquitoes?
  63. Do mammals and birds have a common warm-blooded ancestor?

  64. How did some humans evolve to be white?
  65. What percentage of genome do slugs and scallops have in common?

  66. What is the relationship between snails/slugs and clams/mussels?

  67. How could humans have interbred with Neanderthals if we're a different species?

  68. Why are brightly coloured marine animals thought not to display aposematism?

  69. Does it make sense to classify all humans in a single species?

  70. Does imprinting occur at different life stages?
  71. Why are so few foods blue?

  72. Why do mitochondria have a phospholipid bilayer?

  73. Is natural selection a tautology, and therefore not truly falsifiable?

  74. Did unikonts come from bikonts, are we sure, and how did we lose a "kont"?

  75. How to find out the when we had a common ancestor with a particular animal

  76. Carbohydrate diet and dental health

  77. Why are the human knees and elbows bent in an opposite direction
  78. Why these 2 dots frequently occur in dog's eyebrows? Do it serve/served any advantage?
  79. Very introductory online source of information in evolutionary biology

  80. What to read, or view, in order to have an elementary understanding of evolution?

  81. Why do some bad traits evolve, and good ones don't?

  82. Why food is still tasty?

  83. examples of transitional fossils showing development of internal skeleton

  84. Would all the different species evolve to their respective next form of life eventually?
  85. Where is this Taxonomy quotation from?

  86. How did humans know the process of domesticating animals?
  87. What is the evolutionary reason behind the fragility of teeth?

  88. Why do the ancestors of birds still exist?

  89. What advantage do dogs have in clearly disclosing whether they are afraid or unafraid in a conflict?

  90. Why do humans seem to be the only mammals that like spicy food?

  91. Why does the wavelength in curly hair differ?

  92. Why and how does complexity usually tend to increase through time?

  93. Telomere and evolution

  94. Why is glucose our primary source of energy?
  95. How did hydrophilic plants become established on an isolated island with an arid coastal zone?
  96. Practical Question about Evolution, Population Genetics and Speciation

  97. How can homosexuality evolve despite natural selection?

  98. How much time does it take for an evolutionary change to take place?

  99. Interbreedability between current humans and his ancestors
  100. Liquid filled eye in non-underwater environment