Exam 13: Social Behavior and Sociality

Refer to the figure. Based on the data in the figure, describe why female Polistes wasps are more likely to be helpers to a foundress rather than establish their own nest as a solitary foundress. What type of social interaction does this helping behavior illustrate, and why?

Vampire bats need to eat often, and their only food is blood. When one bat is unsuccessful at gaining a meal, it returns to a communal roost where another, often unrelated, bat is likely to give it a small amount of food. Work by Carter and Wilkinson (2015) suggests that this arrangement meets the conditions needed for

There are many costs and benefits to cooperative breeding. Select two of the proposed hypotheses and explain how they apply to cooperative breeding: kin selection hypothesis, group augmentation hypothesis, ecological constraints hypothesis, life history hypothesis, benefits-of-philopatry hypothesis, temporal variability hypothesis.