As described by the Optimal Foraging Theory, and animals feeding behavior should maximize ________ and minimize ________. (Fill in the blanks) Group of answer choices energy obtained, social interactions energy expended, energy obtained energy obtained, energy expended social interactions, energy obtained

As described by the Optimal Foraging Theory, and animals feeding behavior should maximize and minimize . (Fill in the blanks) Group of answer choices energy obtained, social interactions energy expended, energy obtained energy obtained, energy expended social interactions, energy obtained

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter53: Population Interactions And Community Ecology

Section: Chapter Questions

Problem 1TYK

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Because resources are limited, natural selection will favor organisms that acquire the most food and resources while expending the least energy, an idea called the optimal foraging theory. This theory is paired with another that more specifically explains patch movement and foraging behavior, which is named the marginal value theorem. true or false
During mating season, males of certain species will perform displays of aggression toward other males when approached while they are courting a female. This type of behavior is an example of altruistic behavior agonistic behavior fixed action pattern polygamous behavior predatory behavior The capacity to make changes in behavior on the basis of experience is known as a fixed action. learning. habituation. conditioning. Which of the following statements is not true concerning the optimal foraging theory? forager tries to maximize the energy gained forager tries to minimize the energy expended forager secures essential nutrients forager tries to minimize the risk of getting eaten while gathering food forager contributes to the growth of its population by gathering food
Optimal foraging theory suggest that a predator selects among possible prey based on their relative profitability (energy gained per unit of energy expended). Do you think that predator directly evaluate the profitability of potential prey items before selecting or rejecting them ? If not, how mighta foraging strategy evolve ?
Optimal foraging theory can make predictions about an animal’s food choice. Which of the following is the most accurate statement about optimal diet breadth as resource quality, handling time and distribution changes? As handling time increases, animals should specialize As the distance between resources increases, animals should generalize As the energy content of the resources increases, animals should generalize As the distance between patches increases, animals should stay longer in a patch The following diagrams show four distribution patterns of resources. Each circle represents one unit of a resource, say, a food item. For which of these distributions would the Marginal Value Theorem be useful for making predictions about optimal foraging behavior. (Shown in image)
According to optimal foraging theory a. individuals minimize energy intake per unit of time. b. energy content of a food item is the only determinant of a forager’s food choice. c. time taken to capture a food item is the only determinant of a forager’s food choice. d. a higher energy item might be less valuable than a lower energy item if it takes too much time to capture the larger item.
Value of one more item to you declines the more items you have…Explain this statement in the context of behavioral ecology.
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.
In the Lotka-Volterra predator-prey equations, the term a b N prey N predator describes: The rate at which predators eat prey The rate at which new predators are added to the predator population The rate at which the predator population increases over time The intrinsic growth rate of the prey population
Interpret the following graphs: In the graphs, the number of days are 18.. 1 day is equal to 60 sec. days are taken on x-axis. The mean foraging times are taken on y-axis.
Interpret the following graphs: In the graphs, the number of days are 18.. 1 day is equal to 60 sec. For the first graph, days are taken on x-axis. The mean foraging times are taken on y-axis.
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Great white sharks prefer marine mammals like seals but can eat a number of other prey items, including birds and fish. According to the table below, what is the critical search time for seals, above which great white sharks should choose to eat an albatross if they encounter one? Prey item: seal (energy = 60 Mcals, handling time = 5 minutes) Prey item: albatross (energy = 10 Mcals, handling time = 2 minutes)