Exam 8: Social Relations

Which of the following terms cannot be used to describe the African green woodhoopoes?

________ produce larger, more energetically costly gametes, while ________ produce smaller, less costly gametes.

How is the organization of a leaf cutter ant colony and a colony of naked mole rats similar?

You are conducting research on fertilized seeds of wild radish. When examining some preliminary results, you notice that one of your lab assistants has recorded that the seeds from a single plant were fertilized by several different males and that some of the seeds were produced by ovules and pollen from the same plant. What would you say to your assistant?

Male scorpionflies use which of the following as nuptial offerings?

Endler's research on the male guppy (Poecilia reticulate) color indicates that male colorfulness is determined by

In many species, the females can reproduce by the process of parthenogenesis. Why do males persist in those species?

The difference between a male and a female rests largely on

What is not included in the defining characteristics of eusociality?

You would like to construct a hypothesis about the evolution of cooperative invertebrate colonies with a single reproductive female. What would be the best way to begin your research?

Guppies live in the streams and rivers of Trinidad and Tobago. The abundance of predaceous fish is highly variable from the stream headwaters to the lowland rivers. This variation in the abundance of predaceous fish results in variation in male guppy ________ from the stream headwaters to the lowland rivers.

There is a ________ correlation with the amount of rainfall and the reproductive success of the African green woodhoopoes.

Thornhill's research on mate selection among scorpionflies (Panorpa latipennis) indicates that male ________ translates into successful mating opportunities.

Fitness is defined as the

When investigating haplodiploidy, all of the following statements were found to be true except

Intersexual competition generally involves dominance or contest competition, whereas intrasexual selection involves mate selection through secondary sexual competition.

Sexual reproduction is more common than asexual reproduction because it increases an individual's fitness.

When the dominant male bluehead wrasse dies, it is always replaced by the largest yellow phase male.

Sociality is generally not accompanied by

Male guppies found in populations exposed to few predators are typically