2. The black-backed jackal lives in the brushland of Africa, where monogamous pairs defend territories, hunt cooperatively, and share food. Frequently, offspring from the previous year's litter help rear their parents' new pups by regurgitating food for the lactating mother and for her young. It turns out that the number of surviving pups increases an average of 1.5 for every helper, compared to only 0.5 pups surviving when raised by the parents alone. A. The recruitment of previous offspring to help raise new pups is called: B. Why would young jackals forego their own breeding to help their mother raise new pups? Explain your answer in the context of Hamilton's Rule. C. Young jackals that help their parents raise new pups usually have increased reproductive success and/or direct fitness later in life. Provide two potential explanations for this effect.
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2. The black-backed jackal lives in the brushland of Africa, where monogamous pairs defend territories, hunt cooperatively, and share food. Frequently, offspring from the previous year's litter help rear their parents' new pups by regurgitating food for the lactating mother and for her young. It turns out that the number of surviving pups increases an average of 1.5 for every helper, compared to only 0.5 pups surviving when raised by the parents alone.
A. The recruitment of previous offspring to help raise new pups is called:
B. Why would young jackals forego their own breeding to help their mother raise new pups? Explain your answer in the context of Hamilton's Rule.
C. Young jackals that help their parents raise new pups usually have increased reproductive success and/or direct fitness later in life. Provide two potential explanations for this effect.
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