What is an evolutionary armsrace?Predator and prey compete over thesameresource the prey's bodyEvolutionary arms racesExample the parallel evolution ofpredators andpreyGive examples of behaviors thatare adaptations for predation andbehaviors that are adaptations foravoiding predation.An esample of anti predator beherior motbingMobbing in black-headed gulsSeverind f ay hwngprorTa l t getlabdmama r indu redvg fa g w and pngHow do behavioral ecologistsstudy the adaptive value ofbehaviors? Give examples.Does motbing of potential predatos inosase fesaCost-benefit approachExperiment place chicken eggs inde and outsde ofanasting oolony of biackhaaded gulaAlmostevery trait thathas aCrows searching for eg were mobbed more inaidethan outside me colonyfitness benefit comes with a costWhat is the cost-benefit approach?The costa of mobbingMore eggs were aten by orows outside the colony1. Takas energy2. May ad to dea3. May atract addtonal predatorsMobbing behavior cames a fane benate reduoingpredation of eggaichicieFor mobbFar mooing to be adaptive, the fes bent mustJesceed the fness bosExample optinal fongirg theoriesYou need food to get energy but foraging for foodrequres enegyif one knows the costs and beneta of foraging for apanicular apecies, one an tryte pradictwatouldbe an optimal foraping straiegycs Scanned with CamScanner

Introduction :- Evolution is defined as the descent with modifications . This is a gradual and…

What is an evolutionary arms race? Predator and prey compete over the sameresource the prey's body Evolutionary arms races Example the parallel evolution of predators andprey Give examples of behaviors that are adaptations for predation and behaviors that are adaptations for avoiding predation. An esample of anti predator beherior motbng g Mobbing in black-headed guls de o ate r T lat e l i g ter b ama dr ening dvg farg fw w and png How do behavioral ecologists study the adaptive value of behaviors? Give examples. Does motbing of potential predatos inosase fea Cost-benefit approach s inde Experimant place chicken egg anasting colony of biackhaaded pula and outside of Almostevery trait thathas a fitness benefit comes with a cost Crows searching for egus were mobbed more inaide than outaide the colony What is the cost-benefit approach? The costa of mobbing More eggs were aten by orows outde the colony 1. Takas energy 2. May ad to dean 3. May atract addnonal predators Mobbing behavior cames a teme benate rduoing predation of eggaichicie For mobbing to be adaptive, he fae bents must enceel the faness bosb Eampe optinal fongrg theories r You need food to getanargy but foraging for food requres enegy if one knows the costs and beneta of foraging fora particular apeCes. one can tryte predictwhat would be an optimal foraping straiegy Snewey cs Scanned with CamScanner

15th Edition

ISBN:9781337408332

Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Chapter44: Population Ecology

Section: Chapter Questions

Problem 1DAA: Iguana Decline In 1987, Martin Wikelski began a long-term study of marine iguanas in the Galpagos...