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Q: How does a defense mechanism (behavioural, cryptic colouration, protective colouration, mimicry)…
A:
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- How does a defense mechanism (behavioural, cryptic colouration, protective colouration, mimicry) affect predation and competition? a) Provide an example of a defense mechanism that you have not encountered in the course or in the online assignments. Include an image depicting the defence mechanism, describe the defence mechanism and cite your sources. b) Hypothesize how this defence mechanism may have evolved over time due to pressure from predation and/or competition.Describe some ways that predators can take advantage of preycommunication systems.Define predation. How does the predator-prey relationship differ from the parasite-host relationship? Why is the evolutionary race be-tween predator and prey one that the predator cannot afford to win?
- Snowshoe hares have white fur in the winter, tend to live in areas with dense vegetation, feed at night, and can move at speeds over 25 miles per hour. What categories of prey defense do hares use? chemical, physical, aposematism O physical, crypsis, mimicry behavioral, chemical, mimicrry O physical, crypsis, behavioral Oaposemitism, mimicry, behavioralOrganisms have developed defense mechanisms to protect themselves from predation. These defense mechanisms include protective colouration Mullerian mimicry Batesian mimicry cryptic colouration chemical defense Match the following examples to the type of protective mechanism listed above.Stripes of a skunk AnswerA fawn with fur colouring that camouflages it in the forest AnswerTwo species of poisonous butterfly with the same colour pattern AnswerA hawkmoth with the same black and yellow body markings as a wasp AnswerRead this quote from Charles Darwin (from Origin of Species). What is he describing? "Thus, I can understand how a flower and a bee might slowly become, either simultaneously or one after the other, modified and adapted to each other in the most perfect manner, by the continued preservation of all the individuals which presented slight deviations of structure mutually favorable to one another." An interaction network. A predator/prey cycle. O Coevolution. An obligate mutualism.
- Interaction exhibited by the organisms named cat and rat is called; 1: mutualism 2: commensalism 3: predation 4: parasitism 5: competitionDescribe the predation strategy (i.e., actively searching or ambush) of zebrafish under a well-lit environment.Why can invasive predators have such strong effectson native prey?
- An unpalatable species demonstrates its threat to potential predators by displaying (a) character displacement (b) limiting resources (c) cryptic coloration (d) aposematic coloration (e) competitive exclusionWhat is a characteristic of Mullerian mimicry? multiple species share the same warning coloration all of the species involved have actual predation defenses only one of the species is actually toxic, the others are harmless Lit always involves some type of camouflageFor each of the five stages in a predation event, how might prey evolve a defense against predators?