Labour Colonies
نویسندگان
چکیده
منابع مشابه
Fitness benefits of a division of labour in parasitic trematode colonies with and without competition.
A reproductive division of labour has recently been discovered within polyembryonic colonies of two species of parasitic trematodes infecting snail hosts. In these colonies, one morph expands the colony through asexual reproduction while the other morph never reproduces. As in other polyembryonic species using a division of labour (parasitoid wasps, one species of sea anemone), the non-reproduc...
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Keywords: animal personality behavioural syndrome division of labour social spiders task specialization temperament Among factors hypothesized to favour consistent individual differences in behaviour (i.e. personality or behavioural types), the social environment has received relatively little attention. Within-group variation in personality may facilitate the emergence of division of labour, i...
متن کاملReproduction and caste ratios under stress in trematode colonies with a division of labour.
Trematodes form clonal colonies in their first intermediate host. Individuals are, depending on species, rediae or sporocysts (which asexually reproduce) and cercariae (which develop within rediae or sporocysts and infect the next host). Some species use a division of labour within colonies, with 2 distinct redial morphs: small rediae (non-reproducing) and large rediae (individuals which produc...
متن کاملPM-colonies
A colony is meant to be a symbol manipulating system consisting of as simple as possible components which behave in a cooperative way such that the collective competence is stricty larger than the component competences. We introduce here colonies whose agents can only perform point mutation (hence the abbreviation PM) transformations of the common string (which represents the environment of the...
متن کاملMulti-clone infections and the impact of intraspecific competition on trematode colonies with a division of labour.
A division of labour occurs in colonies of the trematode Philophthalmus sp. within their first intermediate hosts. Two castes exist: one which reproduces and one which does not reproduce. It has been hypothesized that the benefit of the non-reproductive caste is in competitive interactions. Evidence for this from past experiments with Philophthalmus sp. colonies has been contradictory: the non-...
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ژورنال
عنوان ژورنال: Journal of the Royal Sanitary Institute
سال: 1909
ISSN: 0370-7334
DOI: 10.1177/146642400903000917