Deteriorated Diet
| Disease
|
Parasites
| Wars
|
Slipped vertebral discs
| Dwindling brain and consequence stupidity
|
Heat sterilization
| Effects of being warm blooded
|
Racial old age
| Evolutionary drift into senescent overspecialization
|
Changes in the pressure or composition of the atmosphere
| Poison gases
|
Excessive oxygen from plants
| Gene pool drainage from little mammalian egg eaters
|
Overkill by predators
| Fluctuation of gravitational constraints
|
Entropy
| Floods
|
Extraction of the moon from the Pacific basin
| Drainage of swamp and lake environments
|
Sunspots
| Mountain building
|
God's will
| Raids by little green men in flying saucers
|
Lack of standing room on Noah's Ark
|
