| Why are tigers so large? | 73 | Tytoivy | | | | |
| Why is the Spine behind you not Infront? | 63 | Trick-Reception-8194 | | | | |
| Why do all dominant flying vertebrates have beaks? | 49 | Yippersonian | | | | |
| Im a bit confused about evolution | 48 | temnycarda | | | | |
| What are some ways in which we see humans adapting in the context of the modern world? | 44 | aybropassthevinegar | | | | |
| The confusing behavior of orca | 39 | mtHead0 | | | | |
| Could paleontologists tell? | 38 | JeffTrav | | | | |
| Evolution of sexual dimorphism--how/why? | 33 | Brave_Roll_2531 | | | | |
| Does natural selection of a beneficial mutation start and spread from a single individual in a population? | 32 | MrDraco97 | | | | |
| Did early humans not know who their dads were? | 26 | Blonde_Icon | | | | |
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