Filters: Collection: "ir_uspace"
1 - 25 of 5
| Creator | Title | Description | Subject | Date | ||
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Farmer, Colleen G. | Reproduction: the adaptive significance of endothermy | A central theme raised by Angilletta and Sears is that the energetic cost of endothermy is too enormous to be offset by the benefits that thermogenesis could provide for reproduction. Angilletta and Sears suggest that parents would have been better off producing additional offspring with the energy ... | Parental care; Incubation; Metabolism | 2003 |
| 2 |
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Farmer, Colleen G. | New perspective on the origin of endothermy | A new hypothesis for the origin of endothermy in birds is discussed. I suggest extensive parental care provided the initial impetus for the evolution of endothermy. Among extant animals one of the most important functions of an endothermic metabolism is the incubation of embryos. Furthermore, I prop... | Endothermy; Parental care; Thermogenesis; Reproduction; Hormone; Aerobic capacity | 2001 |
| 3 |
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Horch, Kenneth W. | Changes in primary afferent depolarization of sensory neurones during peripheral nerve regeneration in the cat | I. Micro-electrode recordings were made from normal and regenerating sural nerve fibres in cats. Increases in the excitability of the central terminals of these fibres after conditioning stimulation of other sural nerve fibres were taken as evidence for primary afferent depolarization. 2. At all... | Micro-electrode recording; Nerve regeneration; Primary afferent depolarization | 1981 |
| 4 |
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Davidson, Diane W. | Experimental studies of species-specificity in cecropia-ant relationships | Strict coevolution requires that interactions among organisms be speciesspecific. We assessed the relative roles of host- and habitat-specificity in determining the match between a genus of myrmecophytic trees and a guild of obligate plant-ants in the moist tropical forests of Madre de Dios, Peru. F... | Ant-plant; Ants; Cecropia; Coevolution; Colonization; Coordinated dispersal; Ecological fitting; Habitat-specificity; Host-specificity; Mutualism; Parasitoid wasps; Preadaptation | 1997 |
| 5 |
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Chamberlin, Ralph Vary | A hundred new species of American spiders | In this paper, we describe a hundred new species of American spiders, most of them from North America, with a few from South America. These are a part of the new species which have been accumulating in the collection of the University of Utah, as well as several from the collections of the Field Mus... | 1942-06-30 |
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