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n. a social structure among nonhuman animals in which there is a marked division of labor, with only a few individuals that reproduce and many more nonreproductive individuals that guard the nest, gather food and nest materials, or help to care for the young. Eusociality is a common form of social structure in colonial species of bees and wasps (see social insects): The haplodiploidy mode of inheritance helps to explain the adaptiveness of nonreproductive helpers caring for the young of the queen. —eusocial adj.

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Psychology term of the day

February 24th 2024

kinesthetic hallucination

kinesthetic hallucination

a false perception of body movement.