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Intensity of biparental care in Columbiformes and other selected bird taxa: a summary of the main ultimate and proximate mechanisms
Kopejtková, Lucie ; Landová, Eva (advisor) ; Tomášek, Oldřich (referee)
Order Columbiformes is not very numerous group of birds but their importance for recent science and for people in general in significant. They are one of the most studied group of birds and knowledge we now have of parental care and proximal mechanisms of its onset was obtained from this avian order. The main factors related to the development of intensive parental care, biparental care and cooperation between partners in parental care will first be discussed in individual chapters. The main evolutionary constraints and the main conflicts both between the sexes and parent-offspring conflict, which are closely related to the evolution of parental care, will be mentioned. The specific position of Columbiformes from the point of view of ultimate mechanisms will be mentioned. Further chapters should be devoted to the most important proximate mechanisms influencing parental care in Columbiformes. Keywords: Biparental care, Columbiformes, cooperation in parental care, parental conflict, parent-offspring conflict, prolactin
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Genome Assembly and Annotation of Biparental Bee Ceratina nigrolabiata
Fraňková, Tereza ; Straka, Jakub (advisor) ; Kolísko, Martin (referee)
Biparental care in Hymenoptera is a little studied behaviour. This kind of parental care was discovered and the ethological aspect described in the bee Ceratina nigrolabiata from the Czech Republic and is well understood on the ethological level. However, biparental care is not a common behaviour and the lack of genomic studies of this behaviour complicates the understanding of the origin of the biparental care and its underlying pathways on the genomic and physiological level. This master's thesis presents the genome analyses of a biparental bee Ceratina nigrolabiata. It consists of a brief summary of the known parental behaviour across insects, characteristics of the genus Ceratina, summary of the used genomic methods and presents a candidate genes for the transcriptomic study of the biparental behaviour of Ceratina nigrolabiata. Key words: biparental care, genomics, Hymenoptera, Insecta, Ceratina, small carpenter bees
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The ethological study in a selected fish species of the family Cichlidae
VESELÝ, Martin
Social deprivations are disorders of social behavior, which in the case of fishes in aquaristic experience is displayed by many ways. The most frequent speeches of deprivations are aggressiveness, less common and less prolific stripping and partial or whole defection of maternal behavior. Shoal species have problems with formation into the shoal. The power of deprivation depends on many factors. Probably the most important is partial or complete izolation from mother or father who have taken care of stripp. In the case of biparental fishes isolation both parents. Appearances of deprivation is noted the most by the family Cichlidae, especially cichlids. The main reason of that is their relatively good development of social behavior and intensive breeding in aguaristic, where aquarists are trying to have many juveniles in short time. Because of that, aquarists often come up to artificial fish-scale reading (without parents). Aquarists have more juvenils, but they are more aggresive and they aren´t able to stripp well. Substrate biparental cichlids have another problem, that the pair breed eggs, but they can´t take care of them. Mouthbrooding species - female (or male) doesn´t bear the full term in to the mouth and spit it out or eat it.
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