Kingma et al. (2011) found that in the purple-crowned fairy-wren, most subordinate helpers at the nest feed full siblings or half siblings, but some helpers are unrelated to the nestlings they assist. What Darwinian puzzle is created by these findings, and how might you solve the puzzle by using inclusive fitness theory? What predictions follow from the explanation(s) that you propose?

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Kingma et al. (2011) found that in the purple-crowned fairy-wren, most subordinate helpers at the nest feed full siblings or half siblings, but some helpers are unrelated to the nestlings they assist. What Darwinian puzzle is created by these findings, and how might you solve the puzzle by using inclusive fitness theory? What predictions follow from the explanation(s) that you propose?

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