The expensive tissue hypothesis (ETH) relates brain and gut size in evolution (specifically in human evolution). It suggests that in order for an organism...

The Expensive Tissue Hypothesis", Brazilian Journal of Genetics, 201, 1997, p 141–148, doi: 10.1590/S0100-84551997000100023 "The expensive tissue hypothesis...

S2CID 86221120. Aiello, Leslie C.; Wheeler, Peter (1995). "The expensive-tissue hypothesis" (PDF). Current Anthropology. 36 (2): 199–221. doi:10.1086/204350...

Aiello, L. C. (1997). "Brains and guts in human evolution: The Expensive Tissue Hypothesis". Brazilian Journal of Genetics. 20: 141–148. doi:10...

PMID 23090991. Aiello, Leslie C.; Wheeler, Peter (1 January 1995). "The Expensive-Tissue Hypothesis: The Brain and the Digestive System in Human and Primate Evolution"...

record. Traits that the hypothesis tries to explain evolved at vastly different times, and distributions of soft tissue the hypothesis alleges are unique to...

 240–1. ISBN 978-0-07-137825-3. Aiello LC, Wheeler P (1995). "The Expensive-Tissue Hypothesis: The Brain and the Digestive System in Human and Primate Evolution"...

non-African lineages." Aiello, L.C.; Wheeler, P.E. (1995). "The Expensive Tissue Hypothesis: the brain and the digestive system in human and primate evolution"...

[page needed] Aiello, Leslie C.; Wheeler, Peter (1995-01-01). "The Expensive-Tissue Hypothesis: The Brain and the Digestive System in Human and Primate Evolution"...

lizards produced offspring at a comparable rate. The expensive tissue hypothesis suggests that tissues with a high metabolic demand like the brain will become...

evidence of diet, and life history traits. An example would be the expensive tissue hypothesis, linking a decrease in gut size with an increase in brain size...

The endurance running hypothesis is a series of conjectures which presume humans evolved anatomical and physiological adaptations to run long distances...

The grandmother hypothesis is a hypothesis to explain the existence of menopause in human life history by identifying the adaptive value of extended kin...

Self-domestication is a scientific hypothesis that suggests that, similar to domesticated animals, there has been a process of artificial selection among...

Africa between 300,000 and 200,000 years ago, although an alternative hypothesis argues that diverse morphological features of H. sapiens appeared locally...

The obstetrical dilemma is a hypothesis to explain why humans often require assistance from other humans during childbirth to avoid complications, whereas...

elimination model. The critical ratio hypothesis predicts that the development of bubbles will occur in a tissue when the ratio of dissolved gas partial...

The multiregional hypothesis, multiregional evolution (MRE), or polycentric hypothesis, is a scientific model that provides an alternative explanation...

The patriarch hypothesis is a hypothesis that explains the occurrence of menopause in human females and how a long post-fertile period (up to one third...

The cooperative eye hypothesis is a proposed explanation for the appearance of the human eye. It suggests that the eye's distinctive visible characteristics...

growth spurt may indicate physical maturity, a hypothesis which is supported by the discovery of medullary tissue in the femur of a 16 to 20-year-old T. rex...

In paleoanthropology, the hunting hypothesis is the hypothesis that human evolution was primarily influenced by the activity of hunting for relatively...

published in 1982 was taken as evidence for recent African origin (a hypothesis which at the time was competing with Asian origin of H. sapiens). By 1985...

umbrella-shaped bell that can grow up to 1 m (3.3 ft). The bell's pliant tissue allows for the jellyfish to stretch 4 to 5 times its size, presumably to...

The killer ape theory or killer ape hypothesis is the theory that war and interpersonal aggression was the driving force behind human evolution. It was...

exceptions to the predictions of the social intelligence hypothesis, which that hypothesis has no predictive model for, are successfully predicted by...

humans to outrun most other animals according to the endurance running hypothesis. Bipedality in kangaroo rats has been hypothesized to improve locomotor...

signals in ways that other animals apparently cannot. The "mother tongues" hypothesis was proposed in 2004 as a possible solution to this problem. W. Tecumseh...

The drunken monkey hypothesis proposes that human attraction to alcohol may derive from dependence of the primate ancestors of Homo sapiens on ripe and...

for methylmercury. Methylmercury and ethylmercury distribute to all body tissues, crossing the blood–brain barrier and the placental barrier, and ethylmercury...