CAMPBELL BIOL UMD+MASTERBIO ACCESS >BI
10th Edition
ISBN: 9781269920483
Author: Reece
Publisher: PEARSON C
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Chapter 51, Problem 7TYU
Level 3: Synthesis/Evaluation
7. DRAW IT You are considering two optimal foraging models for the behavior of a mussel-feeding shorebird, the oystercatcher. In model A, the energetic reward increases solely with mussel size in model B, you take into consideration that larger mussels are more difficult to open. Draw a graph of reward (energy benefit on a scale of 0–10) versus mussel length (scale of 0–70 mm) for each model. Assume that mussels under 10 mm provide no benefit and are ignored by the birds. Also assume that mussels star becoming difficult to open when they reach 40 mm in length and impossible to open when 70 mm long. Considering the graphs you have drawn, indicate what observations and measurements you would want to make in this shorebird's habitat to help determine which model is more accurate.
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DRAW IT You are considering two optimal foraging models forthe behavior of a mussel-feeding shorebird, the oystercatcher. Inmodel A, the energetic reward increases solely with mussel size.In model B, you take into consideration that larger mussels aremore difficult to open. Draw a graph of reward (energy benefiton a scale of 0–10) versus mussel length (scale of 0–70 mm) foreach model. Assume that mussels under 10 mm provide nobenefit and are ignored by the birds. Also assume that musselsstart becoming difficult to open when they reach 40 mm inlength and impossible to open when 70 mm long. Consideringthe graphs you have drawn, indicate what observations andmeasurements you would want to make in this shorebird’shabitat to help determine which model is more accurate.
Bayesian updating can be a useful tool for thinking about the development of behavior. Imagine the following scenario with respect to an animal’s knowledge of the average density of food in patches in their environment. Which of the following is the most accurate interpretation of this Bayesian view of this animal?
Their environment is much richer in food resources than expected
Their confidence in their assessment of the state of the environment is greater after they go out and sample the world
Their environment is less rich than expected – perhaps there is a drought that has caused a crash in food availability relative to historical conditions
All of the above
Cooperative behaviour is widely found among animals. Provide the following:
1) an example of cooperative behaviour between genetically related individuals
2) an example of cooperative behaviour between unrelated individuals. For each of the examples, also describe the mechanism(s) involved in maintaining cooperative behaviours during their interactions.
Chapter 51 Solutions
CAMPBELL BIOL UMD+MASTERBIO ACCESS >BI
Ch. 51.1 - If an egg rolls out of the nest, a mother greylag...Ch. 51.1 - WHAT IF? Suppose you exposed various fish species...Ch. 51.1 - MAKE CONNECTIONS How is the lunar-linked rhythm...Ch. 51.2 - How might associative learning explain why...Ch. 51.2 - Prob. 2CCCh. 51.2 - Prob. 3CCCh. 51.3 - Why does the mode of fertilization correlate with...Ch. 51.3 - MAKE CONNECTIONS Balancing selection can maintain...Ch. 51.3 - WHAT IF? Suppose an infection in a common...Ch. 51.4 - Prob. 1CC
Ch. 51.4 - Prob. 2CCCh. 51.4 - Prob. 3CCCh. 51 - How is migration based on circannual rhythms...Ch. 51 - Prob. 51.2CRCh. 51 - In some spider species, the female eats the male...Ch. 51 - Prob. 51.4CRCh. 51 - Prob. 1TYUCh. 51 - Prob. 2TYUCh. 51 - Female spotted sandpipers aggressively court males...Ch. 51 - Prob. 4TYUCh. 51 - Although many chimpanzees live in environments...Ch. 51 - Prob. 6TYUCh. 51 - Level 3: Synthesis/Evaluation 7. DRAW IT You are...Ch. 51 - EVOLUTION CONNECTION We often explain our behavior...Ch. 51 - Prob. 9TYUCh. 51 - SCIENCE, TECHNOLOGY, AND SOCIETY Researchers are...Ch. 51 - WRITE ABOUT A THEME: INFORMATION Learning is...Ch. 51 - SYNTHESIZE YOUR KNOWLEDGE Acorn woodpeckers...
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