Q: The data of Iriarte and colleagues (1990) suggest that prey
The data of Iriarte and colleagues (1990) suggest that prey size may favor a particular body size among pumas (see fig. 7.19). However, this variation in body size also correlates well wit...
See AnswerQ: The introduction to chapter 8 included sketches of the behavior and social
The introduction to chapter 8 included sketches of the behavior and social systems of several fish species. Using the concepts that you have learned in this chapter, revisit those examples and predict...
See AnswerQ: In chapter 23, we briefly discussed how humans have more than
In chapter 23, we briefly discussed how humans have more than doubled the quantity of fixed nitrogen cycling through the biosphere. In chapter 15, we reviewed studies by Nancy Johnson (1993) on the ef...
See AnswerQ: One of the basic assumptions of the material presented in chapter 8
One of the basic assumptions of the material presented in chapter 8 is that the form of reproduction will exert substantial influence on social interactions within a species. How might interactions di...
See AnswerQ: Endler (1980) pointed out that though field observations are consistent
Endler (1980) pointed out that though field observations are consistent with the hypothesis that predators may exert natural selection on guppy coloration, some other factors in the environment could...
See AnswerQ: Endler set up two experiments, one in the greenhouse and one
Endler set up two experiments, one in the greenhouse and one in the field. What were the advantages of the greenhouse experiments? What were the shortcomings of the greenhouse experiments? Endler also...
See AnswerQ: Discuss the scorpionfly mating system. Pay particular attention to the potential
Discuss the scorpionfly mating system. Pay particular attention to the potential roles of intersexual and intrasexual selection in scorpionflies.
See AnswerQ: The results of numerous studies indicate nonrandom mating among plants at least
The results of numerous studies indicate nonrandom mating among plants at least under some conditions. These results lead to questions concerning the biological mechanisms that produce these nonrandom...
See AnswerQ: The details of experimental design are critical for determining the success or
The details of experimental design are critical for determining the success or failure of both field and laboratory experiments. Results often depend on some small details. For instance, why did Jenni...
See AnswerQ: Behavioral ecologists have argued that naked mole rats are eusocial. What
Behavioral ecologists have argued that naked mole rats are eusocial. What are the major characteristics of eusociality and which of those characteristics are shared by naked mole rats?
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