Examlex
The larger the output,the more variable input required to produce additional units.Called the _____ effect,this leads to a _____ average _____ cost as output rises.
Human Lineage
The evolutionary path leading to and including Homo sapiens, marked by significant milestones such as bipedalism and complex tool use.
Leakey's Hypothesis
A theory proposing that the development of bipedalism in human ancestors was driven by ecological changes that favored standing and walking on two legs.
Genus Homo
The taxonomic genus which includes modern humans (Homo sapiens) and closely related species.
Tool Use
The behavior of using objects as tools to perform tasks such as obtaining food, shelter, or for defensive purposes, observed in various animal species.
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