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eusociality

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Alloparental Care

Overview page. Subjects: Evolutionary Biology.

Alloparental care is parentlike behavior that is typically performed by individuals that are not the parent of the recipient. The term, coined by E. O. Wilson in 1975, was intended ...

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Apidae

Overview page. Subjects: Zoology and Animal Sciences.

; order Hymenoptera, suborder Apocrita)

Family of bees, in which the pollen-transporting apparatus is on the outer face of the hind tibia and comprises a corbiculum. The hind...

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Bathyergidae

Overview page. Subjects: Zoology and Animal Sciences.

; order Rodentia, suborder Hystricomorpha)

A family of mole-like rodents that live in shallow tunnels. Most of the hair is lost, the legs are short, strong, and pentadactyl, with...

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group living

Overview page. Subjects: Zoology and Animal Sciences — Evolutionary Biology.

The result of gregariousness. The main factors affecting group living are food and predation. Foraging may be enhanced if members of a group inform each other about the whereabouts of food,...

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Heterocephalus glaber

Overview page. Subjects: Zoology and Animal Sciences.

A hypogaeous rodent of the family Bathyergidae and the only mammal known to exhibit eusociality.

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honeybees

Overview page. Subjects: Zoology and Animal Sciences — Evolutionary Biology.

Eusocial member of the family Apidae, whose colonies are perennial. The term is usually restricted to the four species of Apis (A. cerana, A. dorsata, A. indica, and A. mellifera), but...

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kin Recognition

Overview page. Subjects: Evolutionary Biology — Zoology and Animal Sciences.

The ability to recognize individuals to which one is genetically related. This is often the result of early experience. For example, Belding's ground squirrels (Citellus beldingi) are born...

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Naked Mole-Rats

Overview page. Subjects: Evolutionary Biology.

Mole-rat is the vernacular name for thirty-seven species of fossorial rodents in ten genera that inhabit subterranean burrows like moles but whose cylindrical body shape, slender tail, and...

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parent–Offspring Conflict

Overview page. Subjects: Genetics and Genomics — Evolutionary Biology.

The proposal by David Haig that competition between the sexes occurred during the evolution of placental mammals. This resulted in a compromise between the robustness of the offspring...

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sex ratio

Overview page. Subjects: Biological Sciences — Public Health and Epidemiology.

The ratio of the number of females to the number of males in a population. Because the mortality rates in the two sexes may be different, the sex ratios in different age classes may differ.

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social evolution

Overview page. Subjects: Evolutionary Biology — Public Health and Epidemiology.

A continued increase in the complexity of human society resulting from the selection, transmission, and utilization of the useful information gained in each generation.

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