| Why does gene count stays the same if we count the genes we inherit from just one parent or from both? | 23 | Crevalco3 | | | | |
| How far down the human evolutionary chain would modern humans be genetically compatible? | 23 | m0niyaw | | | | |
| How did cetaceans get so smart? | 22 | Original_Ordinary383 | | | | |
| What is the opposite of a forked tongue? | 21 | MeowmeowMortbird | | | | |
| How do we get back to 46 chromosomes? | 20 | Becks_K | | | | |
| Why do animals seem to only have polycephalic conjoined twins? | 17 | ParamedicMegan | | | | |
| Genuine Question on the Declining Insect Population | 16 | Sorry_Big1654 | | | | |
| What truly happens to the brain when Behavioral Addiction is stopped? | 15 | KevinAlc0r | | | | |
| evolutionarily, why is the masseter muscle the most strong? | 15 | Altruistic-Hand4436 | | | | |
| Why did humans evolve to be so intellectually advanced and self aware compared to all other species? | 14 | nialler1105 | | | | |
