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  • 1975-1979  (4)
  • 1890-1899
  • 1976  (4)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Journal of comparative physiology 110 (1976), S. 197-208 
    ISSN: 1432-136X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary 1. Oxygen consumption of 14 neotropical and 12 temperate zone species of lungless salamanders (Amphibia: Plethodontidae) was measured in air at 5, 15, and 25°C. 2. Field body temperatures of tropical species decrease with increasing elevation; low altitude forms consistently experience temperatures above those of temperate zone plethodontids and may reach 30°C body temperature. 3. The effect of body size on metabolic rate is equivalent for both groups of salamanders at all temperatures (b=0.8), except for temperate zone forms at 5°C (b=0.6). 4. Tropical salamanders consume less oxygen than temperate zone salamanders of the same size at all temperatures. Weight-corrected metabolic rate at 15°C increases with minimum elevational range in the tropical species. 5. Oxygen consumption shows a greater temperature-related increase (Q 10) from 15 to 23°C than from 5 to 15°C. This and other considerations imply that lunglessness may not restrict plethodontids to cooler microhabitats.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Behavior genetics 6 (1976), S. 391-406 
    ISSN: 1573-3297
    Keywords: social behavior ; genetic analysis ; evolution ; developmental genetics
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Psychology
    Notes: Abstract The genetics of social behavior presents special difficulties because the phenotype is the product of an interaction between two or more individuals. Social interactions are of two kinds: (1) cooperative, in which the probabilities of transmission of the genes of all participants are similarly affected by the outcome, and (2) agonistic, in which the probabilities for the participants are affected in opposite directions. The latter are of particular interest for evolutionary theory. Three major types of designs for measuring social behavior in genetic experiments are available: (1) homogeneous sets, (2) standard tester and (3) tester panel representing a reference population. The advantages and limitations of each method are discussed. Important areas for future development include the relationship of genetic and experiential factors in early life to social status as an adult and the extension of the genetic analysis of social behavior to natural populations.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 22 (1976), S. 204-207 
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    New York : Wiley-Blackwell
    Journal of Polymer Science: Polymer Letters Edition 14 (1976), S. 35-39 
    ISSN: 0360-6384
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 3 Tab.
    Type of Medium: Electronic Resource
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