Are Chicken Embryos Endotherms or Ectotherms? A Laboratory Exercise Integrating Concepts in Thermoregulation and Metabolism

Autor/inn/en	Hiebert, Sara M; Noveral, Jocelyne
Titel	Are Chicken Embryos Endotherms or Ectotherms? A Laboratory Exercise Integrating Concepts in Thermoregulation and Metabolism
Quelle	In: Advances in Physiology Education, 31 (2007) 1, S.97-109 (13 Seiten)Infoseite zur Zeitschrift PDF als Volltext Verfügbarkeit
Sprache	englisch
Dokumenttyp	gedruckt; online; Zeitschriftenaufsatz
ISSN	1043-4046
DOI	10.1152/advan.00035.2006
Schlagwörter	Leitfaden; Unterricht; Lehrer; Science Laboratories; Climate; Science Instruction; Science Education; Animals; Metabolism; Science Equipment; Research Design; Research Methodology; Higher Education; College Science + Suchen Sie Ihr Suchwort? Lesson concept; Instruction; Unterrichtsentwurf; Unterrichtsprozess; Teacher; Teachers; Lehrerin; Lehrende; Klima; Teaching of science; Science education; Natural sciences Lessons; Naturwissenschaftlicher Unterricht; Naturwissenschaftliche Bildung; Animal; Tier; Tiere; Stoffwechsel; Forschungsdesign; Research method; Forschungsmethode; Hochschulbildung; Hochschulsystem; Hochschulwesen
Abstract	This investigative laboratory exercise uses the different relations between ambient temperature and metabolic rate in endotherms and ectotherms as a core concept to answer the following question: What thermoregulatory mode is employed by chicken embryos? Emphasis is placed on the physiological concepts that can be taught with this exercise, including methods for measuring rates of oxygen consumption, the relation between oxygen consumption and metabolic rate, the influence of temperature on metabolic rate, and the differences between endotherms and ectotherms both in the overall magnitude of metabolic rate and in the shape of the relation between metabolic rate and ambient temperature. Included in this article are respirometer designs suitable for teachers working with a wide variety of budgets and available equipment, specific laboratory protocols for collecting data, sample data, thought questions with sample answers, and suggestions for classroom implementation as a 1-, 2- or 3-wk laboratory exercise that can be taught at a variety of undergraduate levels. (Author).
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Erfasst von	ERIC (Education Resources Information Center), Washington, DC
Update	2017/4/10