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===== Points of Divergence : Biology and Evolution =====

Points of divergence concerning alternate biological properties, alternate evolutionary routes and extinctions of life and lifeforms on Earth.

==== General musings ====

  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=150435|Why are there no two-legged predators ?]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=128119|WI recent large animal extinctions were averted ?]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=216914|Discussion on the possible survival of some species of extinct megafauna]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=260359|Which extinctions could have been prevented ?]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=263117|WI no Permian extinction ?]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=183647|WI no K-T extinction ? (1)]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=59218|WI no K-T extinction ? (2)]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=203060|Alternate extinctions]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=200951|Alternate invasive species]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=169643|Extinct animal species alternate outcomes]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=62016|AH Challenge: Prevent an extinction (1)]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=3619|AH Challenge: Prevent an extinction (2)]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=128119|WI recent large animal extinctions were averted ?]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=3619|PODs about various extinct animal species]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=310441|Saving Holocene animals from extinction]]**
  * **[[https://www.alternatehistory.com/forum/threads/if-these-animals-hadnt-gone-extinct-how-would-they-fare-today.428082/|If these animals hadn't gone extinct, how would they fare today ?]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=263275|WI Non-human animal with language (possibly coexisting with humans)]]**
  * **[[https://www.alternatehistory.com/forum/threads/alternate-introduced-fauna-in-australia.370850/|Alternate introduced fauna in Australia]]**
  * **[[https://www.alternatehistory.com/forum/threads/life-on-europa-what-would-it-be-like.405128/|Life on Europa: What would it be like ?]]**
  * **[[https://www.alternatehistory.com/forum/threads/fbwi-life-found-on-europa.122444/|FBWI: Life found on Europa !]]**
  * Know of any PODs or POD discussions ? Feel free to add them. 

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==== Plants ====

  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=247471|Greener world]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=163525|Tropical polar regions, polar tropics]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=207773|Challenge: Keep the Sahara green]]**
  * **[[http://alternatehistory.com/discussion/showthread.php?t=272020|Surviving lepidodendron trees]]**
  * **[[https://www.alternatehistory.com/forum/threads/a-temperate-deciduous-monster-too-big.447392/#post-17287090|A temperate deciduous monster - too big ?]]**
  * Know of any PODs or POD discussions ? Feel free to add them. 

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==== Insects ====

  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=236410|WI: Flies and other pests disappear ?]]**
  * **[[https://www.alternatehistory.com/forum/threads/rocky-mountain-locust-doesnt-go-extinct.453432/|Rocky Mountain Locust doesn't go extinct]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=160971|Tsetse Fly dies out]]**
  * Know of any PODs or POD discussions ? Feel free to add them. 

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==== Fish and amphibians ====

  * **[[http://www.alternatehistory.com/forum/threads/the-placodermi-didnt-extinct-and-they-are-the-majority-in-the-oceans.401098/|WI the Placodermi didn't go extinct and form the majority in the oceans]]**
  * Know of any PODs or POD discussions ? Feel free to add them. 

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==== Reptiles ====

  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=263117|WI no Permian extinction ?]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=12112|WI: A different Permian extinction]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=270946|No Triassic-Jurassic mass extinction event: No dinosaur dominance ?]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=248498|If dinosaurs hadn't gone extinct ? (1)]]**
  * **[[http://alternatehistory.com/discussion/showthread.php?t=37972|If dinosaurs hadn't gone extinct ? (2)]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=83510|Plausibility check: Dinosaurs surviving in the New World]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=302883|Velociraptors survive and fill the role of domesticated dogs]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=212035|Challenge: Troodons evolving sapience and inhabiting Earth in human times]]**
  * **[[http://alternatehistory.com/discussion/showthread.php?t=148924|WI a "lost world" was found in central Africa ?]]**
  * **[[http://alternatehistory.com/discussion/showthread.php?t=122675|Kerguelen Plateau as a "lost world" continent in the Southern Indian Ocean ?]]**
  * Know of any PODs or POD discussions ? Feel free to add them. 

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==== Birds ====

  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=284388|WI: Terror Bird doesn't go extinct]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=151084|A bird species evolving into a horse-like animal]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=322038|WI: Late survival of the dodo in India]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=169630|Save the Great Auk]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=169634|Save the Carolina Parakeet !]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=169631|Save the ivory-billed woodpecker !]]**
  * Know of any PODs or POD discussions ? Feel free to add them.

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==== Mammals ====

  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=147437|Mammals go extinct]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=216033|Discussion on different evolution or possible domestication of North American megafauna]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=216914|Discussion on the possible survival of some species of extinct megafauna]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=164592|If there were no horses (1)]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=24332|If there were no horses (2)]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=312192|WI: Horses go extinct during the Middle Miocene Disruption]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=50815|Horses become extinct]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=106030|WI all horses were as small as ponies ?]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=20026|All horses die in 1200 AD]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=24533|Horses surviving in America (1)]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=35542|Horses surviving in America (2)]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=126785|Horses surviving in America (3)]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=33292|Horses surviving in America (4)]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=266253|Horses surviving in America (5)]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=86939|Horses or camels surviving in America]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=113607|Camels in Europe ?]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=220380|Snow camels]]**
  * **[[http://www.alternatehistory.com/forum/threads/giant-camels-survive-in-the-middle-east.42324/|Giant camels survive in the Middle East]]**
  * **[[https://www.alternatehistory.com/forum/threads/ahc-save-the-auroch.276677/|Challenge: Save the aurochs]]**
  * **[[https://www.alternatehistory.com/forum/threads/australian-saber-tooth-cat-surivives.160631/|Australian sabre tooth cat survives]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=270716|Australian marsupials that could have evolved into domesticable horse-like animals ?]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=96918|WI: The human race never came into existence and some other intelligent mammal did]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=64460|If not from primates, then from what other line ?]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=262378|Elephant civilization ?]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=255491|Challenge: Make wolves and bears survive as domestic wild species on the British Isles]]**
  * **[[http://alternatehistory.com/discussion/showthread.php?t=313848|Challenge: Prevent the extinction of the jaguar in the US]]**
  * **[[https://www.alternatehistory.com/forum/threads/dire-wolves-saber-tooths-and-mammoths-instead-of-native-men.103682/|Dire wolves, sabertooths and mammoths in the Americas instead of native men]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=323368|Keep lions in the Americas]]**
  * **[[https://www.alternatehistory.com/forum/threads/leopards-in-the-americas.409338/|Leopards in the Americas]]**
  * **[[https://www.alternatehistory.com/forum/threads/north-america-save-the-cheetah.276674/|Introducing cheetahs to the Americas]]**
  * **[[https://www.alternatehistory.com/forum/threads/wi-hyenas-in-the-new-world.441958/|WI: Hyenas in the New World]]**
  * Know of any PODs or POD discussions ? Feel free to add them. 

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==== Anthropology and human evolution ====

  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=166073|A Bad Day Off East Africa, Around 3 Million Yrs Ago]]** - A short scenario and discussion by [[offtopic:DaleCoz]].
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=296548|Human evolution on an Earth orbiting a red dwarf star]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=33551|If Homo sapiens were not the only sentient hominids ?]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=262520|WI: Big foot was real/well-documented ?]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=198362|Surviving Neanderthals]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=240066|Challenge: Neanderthals survive, humans go extinct]]**
  * **[[https://www.alternatehistory.com/forum/threads/the-hobbit-is-found.332572/|Homo floriensis surviving (1)]]**
  * **[[https://www.alternatehistory.com/forum/threads/what-if-a-hobbit-like-race-existed.11358/|Homo floriensis surviving (2)]]**
  * **[[https://www.alternatehistory.com/forum/threads/a-hobbit-hemiphere.70342/|Descendants of homo floriensis inhabiting the New World instead of modern humans]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=145380|Humanity goes extinct]]**
  * **[[http://www.alternatehistory.com/forum/threads/how-long-until-it-will-be-difficult-to-reconstruct-what-humans-even-looked-like.359385/|How long until it will be difficult to reconstruct what humans even looked like ?]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=187163|WI more of our genus survives ?]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=6990|Contact with other species of humans]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=197000|WI humans had the tapetum lucidum, allowing for greater natural night vision ?]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=267344|WI: Fatherhood doesn't evolve with humans ?]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=185482|WI skin color had different genetic coding ?]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=271743|Plausibility check: More diverse eye colours in humans ?]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=280403|Plausibility check: Humanoids with wings ?]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=289480|WI: All humans must eat meat]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=147883|WI: All humans prone to Celiac Disease]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=156369|WI the situation from Crighton's novel "Eaters of the Dead" was real ?]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=245691|Human running speed multiplies by three]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=159325|Greater Amerindian immunity to Old World diseases ?]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=92264|How would the world really react to "mutant powers" ?]]**
  * **[[http://www.alternatehistory.com/discussion/showthread.php?t=348104|WI: Human average lifespan was 450 years]]**
  * **[[https://www.alternatehistory.com/forum/threads/hobbit-virus.18831/|A virus that turns humans into hobbits]]**
  * **[[https://www.alternatehistory.com/forum/threads/wi-neanderthals-revived.410384/|WI Neanderthals revived in the future ?]]**
  * Know of any PODs or POD discussions ? Feel free to add them. 

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==== See Also ====

**[[pods:Agriculture|Points of Divergence : Agriculture]]**

**[[pods:natural disasters|Points of Divergence : Natural Disasters]]**

**[[pods:biological sciences|Points of Divergence : Biological Sciences]]**

**[[timelines:Evolutionary Timelines]]**

**[[resources:biology and ecology|Useful Resources on Biology and Ecology]]**

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==== Navigation ====

**[[pods:Exotic PODs|Exotic PODs Main Directory]]**

**[[pods:pods|Points of Divergence Main Directory]]**