Evolutionary origin of human traits: Difference between revisions

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==Answer==
==Answer==


Possible hypotheses:
 
* Aquatic ape hypothesis


== Rationale ==
== Rationale ==


There are conflicting hypotheses to explain why the traits that so clearly distinguish humans from other primates originally evolved. One idea is that the ancestors of humans came to live in a different kind of environment than the ancestors of chimpanzees and gorillas, and hence experienced different selection pressures and obtained a suite of unique traits as adapatations to the new environment. What that new environment was and which selection pressures were most important has been debated, however, and a number of hypotheses based on ideas other than environmental adaptation have also been proposed. To date, general discussion on the topic seems mostly to have focused on finding merit or flaws in one hypothesis at a time. The purpose of this page is to provide a structured forum for the general evaluation and comparison of the different hypotheses on human origins.
There are conflicting hypotheses to explain why the traits that so clearly distinguish humans from other primates originally evolved. One idea is that the ancestors of humans came to live in a different kind of environment than the ancestors of chimpanzees and gorillas, and hence experienced different selection pressures and obtained a suite of unique traits as adaptations to the new environment. What that new environment was and which selection pressures were most important has been debated, however, and a number of hypotheses based on ideas other than environmental adaptation have also been proposed. To date, general discussion on the topic seems mostly to have focused on finding merit or flaws in one hypothesis at a time. The purpose of this page is to provide a structured forum for the general evaluation and comparison of the different hypotheses on human origins.


=== Dependencies ===
==See also==
 
=== Formula ===


==See also==
Human evolution hypotheses described in [[Wikipedia]]:
* [[:en:Aquatic ape hypothesis|Aquatic ape hypothesis]]
* [[:en:Hunting hypothesis|Hunting hypothesis]]
* [[:en:Killer ape hypothesis|Killer ape hypothesis]]
* [[:en:Endurance running hypothesis|Endurance running hypothesis]]
* [[:en:Gathering hypothesis|Gathering hypothesis]]
* [[:en:Bipedalism#Humans|Hypotheses explaining bipedalism]]


==Keywords==
==Keywords==

Revision as of 16:07, 26 December 2012



Question

Why and how did humans become so different from other apes?

Answer

Rationale

There are conflicting hypotheses to explain why the traits that so clearly distinguish humans from other primates originally evolved. One idea is that the ancestors of humans came to live in a different kind of environment than the ancestors of chimpanzees and gorillas, and hence experienced different selection pressures and obtained a suite of unique traits as adaptations to the new environment. What that new environment was and which selection pressures were most important has been debated, however, and a number of hypotheses based on ideas other than environmental adaptation have also been proposed. To date, general discussion on the topic seems mostly to have focused on finding merit or flaws in one hypothesis at a time. The purpose of this page is to provide a structured forum for the general evaluation and comparison of the different hypotheses on human origins.

See also

Human evolution hypotheses described in Wikipedia:

Keywords

References


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