How nocturnal behaviour may have evolved in some animals?Explain with an example, mention how and which natural selection pressure/s have made this nocturnal behaviour as an adaptation
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- How nocturnal behaviour may have evolved in some animals?Explain with an example,mention how and which natural selection pressure/s have made this nocturnal behavior as an adaptation.Discuss some advantages of sociality for animals. If social living has so many advantages, why do many animals successfully live alone?Egg-retrieval behavior of greylag geese is an excellent example of a highly predictable behavior. Interpret this behavior within the framework of classical ethology, using these terms: releaser, sign stimulus, and stereotyped behavior. Interpret the territorial defense behavior of male three-spined sticklebacks in the same context.
- How would you apply this in a Lamarckian explanation? Tiger Moths (Bertholdia trigona) produce high pitched ultrasonic clicking (at a rate of 4500 clicks/sec) when they hear the echolocation calls of bats (bats eat moths). As a result, the bat's sonar is jammed and the Tiger Moth escapes without being caught, killed, and eaten. Please use your knowledge of Evolution by Natural Selection to explain the process by which this remarkable anti-predator defense evolved in Tiger Moths. Please use your Knowledge of Evolution by Natural Selection to explain the process by which this remarkable anti-predator defense evolved in Tiger Moths.Early efforts by humans to communicate vocally with chimpanzees were almost total failures; however, researchers have learned how to communicate successfully with apes. How was this task accom-plished?Briefly describe how observing beak sizes in finches before and after a drought in the Galapagos provides evidence for evolution. Meant to be a short answer like 4 sentences or so is great
- Most anurans breed in water and rainfall stimulates breeding in many species. Ponds may attract aggregations of anurans during breeding season and males usually are the first to arrive. In most cases, females are attracted by vocalizations by males. Sometimes, vocalization isn’t sufficient Q20: This display is called “semaphoring”. Why was this behavioral adaptation necessary for this particular frog species? (please type the answer and asnwer all the parts to this question)Prey animals may use distraction displays when a predator is nearby.What selective pressures do these prey animals exert on predators?Explain why distraction displays may become more convincingthrough evolutionary time.Often relinquishing the young ones going to food shortage is one of the common behaviour as exhibit by mice. clarify how this conduct might have developed due to the life history and reproductive compromises
- Female parasitoid wasps search for insect hosts in which to lay eggs, and they can often discriminate among individual hosts that are more or less suitable for their offspring. Behavioral ecologists have asked whether or not the wasps’ willingness to lay eggs in less suitable hosts varies with the female’s age. On the basis of life history theory, what pattern of change would you predict? Does life history theory make any other predictions about animal behavior?Explain alarm calling in prairie dogs and ground squirrels. what are some data that indicatewhether alarm calling is selfish or altruistic behavior.? why altruistic behavior represents and evolutionary paradox. What is the primary hypothesis for themechanism that led to the evolution of alarm calling?Anurans Most anurans breed in water and rainfall stimulates breeding in many species. Ponds may attract aggregations of anurans during breeding season and males usually are the first to arrive. In most cases, females are attracted by vocalizations by males (see beginning of our lab manual). 1) This display is called “semaphoring”. Why was this behavioral adaptation necessary for this particular frog species?