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...rketing Service (AMS) operates a voluntary beef grading program that began in 1917.<ref>{{cite book|title=United States Standards for Grades of carcass B ...ughly half of all graded beef. Select is sold as a cheaper, leaner option in many stores and is the lowest grade typically found for consumer purchase a ...

* ''The Mathematician's Mind: The Psychology of Invention in the Mathematical Field'' by [[Jacques Hadamard]] (1945) * ''[[Why Big Fierce Animals Are Rare]]: An Ecologist's Perspective'' by [[Paul A. Colinvaux]] (1978) ...

...relationship between [[Radius|radii]] at [[Junction (traffic)|junctions]] in a network of fluid-carrying [[Cylinder|tubular]] [[Pipeline transport|pipes ...] of animals, [[xylem]] in plants, and the respiratory system of insects. In principle, Murray's law also applies to [[biomimetics|biomimetic engineerin ...

In the field of [[enzymology]], a '''proton ATPase''', or '''H⁺-ATP :ATP + {{chem|H|2|O}} + {{chem|H|+}}_in <math>\rightleftharpoons</math> ADP + phosphate + {{chem|H|+}}<sub>ou ...

{{Short description|Canadian island in Lake Superior}} ...der Bay District, Ontario|Thunder Bay District]]. The third largest island in Lake Superior, after [[Isle Royale]] and [[St. Ignace Island]],<ref name="N ...

...use organic solvents as the primary vehicle carrying the solid components in a paint formulation, whereas water-borne paints use water as the continuous ...change many end properties of a dried paint, as well as to emulsify paints in their liquid state. ...

...les Darwin by Julia Margaret Cameron, c. 1868.jpg|thumb|[[Charles Darwin]] in 1868]] ...with the [[Modern synthesis (20th century)|modern evolutionary synthesis]] in the early part of that century. Since then, research on speciation has expa ...

...=en|doi=10.1016/b978-0-12-801214-7.00016-8|isbn=978-0-12-801214-7 }}</ref> In toxicology, there are some other safety factors including [[LD50]], [[LC50] ...r=National Centre for the Replacement, Refinement and Reduction of Animals in Research|year=2009|location=London|pages=21}}</ref>   ...

...Shercliff, Cebon, Materials, Cambridge University Press, Chapter 12: Atoms in vibration: material and heat</ref> ...nse]] substances, such as lead, which have very heavy atoms, rank very low in mass heat capacity. ...

...are-earth elements]], and on the structural [[biogeochemistry]] of mercury in natural systems, [[animal]]s, and [[human]]s. ...ation|agrégation]] in [[natural science]]s in 1981, then his [[doctorate]] in 1984 at the University Paris VII (now [[Université Paris Cité]]) under the ...

...remy L. Marshall, Michael L. Arnold, and Daniel J. Howard | journal=Trends in Ecology & Evolution | year=2002 | volume=17 | issue=12 | pages=558–563 | do ...y of Reinforcement: Implications for the Evolution of Prezygotic Isolation in Sympatry and Beyond | author=Daniel Ortíz-Barrientos, Alicia Grealy, and Pa ...

*''Gobicyon zhegalloi'' <br/><small>Gabunia, 1981</small> ...]]s, belonging to the [[Amphicyonidae]] ("bear dogs"), that was discovered in [[China]], [[Mongolia]], and [[Serbia]], and lived during the [[Middle Mioc ...

...|upright=1.35|Schematics and images of types of limb proprioceptor neurons in mammals (top) and insects (bottom)<ref name=":3" />]] ...arameters, such as joint position, movement, and load. Although all mobile animals possess proprioceptors, the structure of the sensory organs can vary across ...

...rnal |last=Cavalier-Smith |first=Tom |author-link=Tom Cavalier-Smith |year=1981 |title=Eukaryote kingdoms: Seven or nine? |journal=[[BioSystems]] |volume=1 ...the Viridiplantae, along with the [[red algae]] and the [[glaucophyte]]s, in the clade [[Archaeplastida]]. ...

...inscription on the [[Mesha Stele]] made by the aforementioned king of Moab in c. 840 BCE.{{sfn|Stern|1993|p=1}}{{sfn|Sprinkle|1999|p=247}} This chapter was originally written in the [[Biblical Hebrew|Hebrew language]] and since the 16th century [[Chapte ...

[[Bats]] are the only mammal capable of [[Active flight in animals|true flight]]. Bats use flight for capturing prey, breeding, avoiding preda ...ibia]], uropatagium, keel, [[calcar]], [[tail]], and hind foot (being held in between the fingers).]] ...

....<ref name=Taylor1961/> The name ''Taylor's law'' was coined by Southwood in 1966.<ref name=Southwood1966/> ...' and ''b'' are both positive constants. Taylor proposed this relationship in 1961, suggesting that the exponent ''b'' be considered a species specific i ...

...cal physics research group at [[Coventry University]]. He was a specialist in [[statistical physics]], [[complex systems]] and [[Irish mythology]].<ref>{ ...ysics.aps.org|accessdate=2016-11-15}}</ref> under Professor Christian Lang in 1993.<ref>{{cite web|url=https://www.mathgenealogy.org/id.php?id=215645|tit ...

...ticularly human [[leukocytes]] but possesses its highest potency and power in stimulating the human [[eosinophil]] type of leukocyte. It is therefore sug ...nic acid (i.e. 5Z,8Z,11Z,14Z-eicosatetraenoic acid) from its storage sites in membrane [[phospholipid]]s due to the activation of [[phospholipase A2]] en ...

...3|[[Three-spined stickleback]] fish have been a frequently studied species in ecological speciation.]] ...ds to the formation of new species. This has been documented in many cases in nature and has been a major focus of research on speciation for the past fe ...