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Mostrando 1-4 de 4 artigos, teses e dissertações.
1. Padrões bioenergéticos das aranhas de teia: considerações sobre a unidade e a diversidade do fenômeno / Patterns of bioenergetic of web spiders: considerations about the unity and diversity of the phenomenon
The physiological mechanisms are often applied to explain important evolutionary adaptations (e.g. endothermy) and ecology (e.g. physiological limitations to occupy a particular microhabitat) of vertebrates. Despite the fact that it improves vertebrates ecological and evolutionary hypotheses with possible processes and mechanisms, it is scarcely used to unde
IBICT. Publicado em: 30/03/2012
2. Termorregulação colonial e energética individual em abelhas sem ferrão Melipona quadrifasciata Lepeletier (Hymenoptera, Apidae, Meliponini) / Colonial thermoregulation and energetics in stingless bees Melipona quadrifasciata Lepeletier (Hymenoptera, Apidae, Meliponini).
In eusocial insects, such as stingless bees, the control of nest conditions and maintenance of the colonial microclimate are important to brood incubation, development of eggs, larvae and pupae, and survival of the colony. One of the main thermoregulatory mechanisms to control nest temperature is the microhabitat selection to build the nest, such as tree hol
Publicado em: 2008
3. Tenacidade e investimento em seda em aranhas de teia orbicular / Tenacity and silk investment in orb web spiders
The origin of the most diverse branch of orbweavers, the Araneoidea, coincides with the origin of the viscid silk in the group Orbiculariae. Many hypotheses were proposed to explain the increased diversity in Araneoidea, however none of them explain this phenomena completely. The present work investigates a new hypothesis: the disappearance of the cribellate
IBICT. Publicado em: 25/04/2007
4. Ontogenesis of respiratory rhythms in Melipona quadrifasciata adult workers (Hymenoptera, Apidae, Meliponini). / Variações ontogenéticas nos parâmetros do ritmo respiratório de operárias de Melipona quadrifasciata (Hymenoptera, Apidae, Meliponini).
The eusocial organization promotes a behavioural development of adult worker-bees, based on an age-related division of labour. Workers switch from tasks inside the hive to foraging and undergo a progressive transition from controlled environment of the hive to a diurnal exposure to the environment outside the hive. The coordination of queen and workers act
Publicado em: 2006