Consider the graph below. Illustrated is the proportion of attacks on four different colored insects inhabiting green leaves. Which color of insect has the lowest fitness on average? 50 40 30 Proportion of attacks by a predator (%) 20 10 O brown orange red brown O green orange red Color of insect green
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- A difference in survival and reproduction among members of a population that vary in one or more traits is called ________.Which of the following is an example of a question about mechanism (not function)? A. What stimuli triggers a mother bird to feed her nestling? B. How does parental care benefit the mother's inclusive fitness? C. Why do some species have parental care but not others? D. Do mother birds get better at caring for their offspring over time?Which of the following ecological situations would result in INCREASED selection on the peaceful “dove” strategy relative to the hawk-dove game discussed in class? Increased value of the resource Unlikely that the individual will have future opportunities to get the resource Decreased cost of displaying All of the above
- Please answer fast Explain how the behavioral and/or physiological response of an organism is related to changes in internal or external environment Explain how the behavioral responses of organisms affect their overall fitness and may contribute to the success of the population.In a particular bird species who live socially, we sometimes see an individual in the social group helping to rear the offspring of its siblings, rather than finding a mate and reproducing itself. Describe the expected relative importance of direct and indirect fitness benefits to the individual helper, explain your answer. Explain how this same helper could improve its fitness by helping raise the offspring of an unrelated couple.The five different predator phenotypes will be represented equally at the start of the simulation. Do you think the distribution of phenotypes will change throughout the simulation? Explain your response.
- Which statement least applies to the concept of fitness? A. Measures of fitness include mating sucess and fecundity. B. It is trait featured among organisms which survived a bottleneck event. C. Reproductive sucess of individuals can be enhanced by their social behaviors within a group. D. Fitness among individuals in a population can vary due to differential reproduction.After observing a finite population of asexually reproducing salamanders, which of the following outcomes is consistent with Müller’s ratchet? a. The population fitness will decline due to the least fit individuals randomly not surviving to produce offspring into the next generation. b. The population fitness will increase due to the most fit individuals randomly not surviving to produce offspring into the next generation. c. The population fitness will decline due to the most fit individuals randomly not surviving to produce offspring into the next generation. d. The population fitness will increase due to the least fit individuals randomly not surviving to produce offspring into the next generation.Does Figure 6.5(C) use relative fitness or absolute fitness of the horned lizards in calculating the fitness function? How can you tell from the graph?
- worldwide, pest insects destroy a significant portion of food crops. for each new insecticide used, insecticides resistant insects appear and lead to the development of insecticide- resistant populations. all insecticide is a poison that kills insects describe the selective pressure ( driver of selection) in the example above and explain the reasoning for your choiceDirections: Complete the statement. This diagram demonstrates the process of __________________. It demonstrates that changes in the variation of a population can change the traits of a population. Before the introduction of the predator, each color occured in equal numbers in population. After the introduction of the predator the ____________________ variation is most common. This is because they were able to survive and ____________________ at a greater rate.For the cricket, the intrinsic growth rate is 100 and the carrying capacity of the environment is 200,000 individuals. For the frog, the capture efficiency is 0.0002, the conversion efficiency is 0.1, the handling time per cricket is 0.2 hours, and the density-independent per capita death rate of the predator is 0.4. 18. At what value of the number of crickets is the predator population of frogs at equilibrium? 19. What is the dN/dt of the prey population when the number of frogs is 60 and the number of crickets is 11,000? Round to the nearest hundredth. 20. What is the dP/dt of the predator population when the number of frogs is 60 and the number of crickets is 11,000? Round to the nearest hundredth.