Ecology - Organisms & Population Questions and Answers

Group Behavior What is the overall purpose of an animal exhibiting group behavior Why would an animal choose not to join in group behavior

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SWYK Group Behavior Exit Tick following terms flock herd swarm

M C Joe recently joined a hate group Which of the following characteristics is he least likely to have select one 1 pt a He is searching for solutions to his problems b c He holds extreme anti minority attitudes He is experiencing relative deprivation d He has pro White racial attitudes

Incorrect Question 5 Generally the introduction should be brief and no more th 15 to 20 20 to 25

Based on this population pyramid how would you describe this country 100 95 99 90 94 85 09 80 84 75 79 70 74 65 09 55 50 50 54 45 40 40 44 35 30 30 34 25 29 20 24 15 19 10 14 5 9 0 4 10 O 8 696 O Male 4 0 4 0 4 4 3 9 4 0 3 1 3 4 2 0 3 3 2 9 2 0 2 2 2 3 2 0 1 0 1 4 1 5 0 0 0 0 0 0 0 1 0 1 0 4 0 0 4 0 9 1 5 1 8 1 4 2 3 2 1 1 9 2 2 2 3 3 3 1 2 7 3 2 2 2 Female 4 1 4 0 3 7 4 3 3 8 4 0 O developed nation low birth rate long life expectancy shrinking population 89 developed nation low infant mortality long life ex pectancy slow population growth O developing nation high birth rate short life expectan cy fast population growth a country at war that loses young adults at a faster rate

Based on this population pyramid how would you describe this country 100 05 90 90 04 85 89 80 84 75 79 70 74 65 69 60 64 55 59 50 54 45 49 35 30 30 34 25 29 20 24 15 10 10 14 5 9 0 4 10 O O O 34 0 Male 3 3 3 3 3 2 3 4 3 1 3 2 2 7 3 2 2 55 456 3 0 3 0 3 1 2 3 2 4 3 0 1 4 2 0 0 0 0 0 1 0 1 0 3 0 7 0 0 5 1 0 1 6 2 5 2 5 2 0 2 7 3 2 3 1 3 0 3 0 2 0 3 2 3 0 2 8 2 0 2 9 2 7 3 6 4 Female 6 0 developed nation low birth rate long life expectancy shrinking population developed nation low infant mortality long life ex pectancy slow population growth developing nation high birth rate short life expectan cy fast population growth a country at war that loses young adults at a faster rate

How does group behavior affect the chances of survival for an individual bison OA Herding behaviors decrease competition and increase the amount of food available for individual bison OB Stronger individuals surround and protect weaker individuals from predators C Living in a large group makes it less likely that most individuals will escape an approaching predator OD Living in a herd decreases the chances of a bison finding a mate

An arctic fox has thick fur and fat layers that insulate it from the cold It also has keen senses that help it seek out buried prey To which ecosystem is the fox best suited A Desert which is warm and receives little precipitation B Savanna which has a rainy season and a dry season C Tundra which has low temperatures year round D Rain forest which is warm and receives a lot of precipitation

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Compare the three categories of behavior costs

9 A behavioral ecologist gives hummingbirds a choice between an array of feeders with a constant amount of nectar in each flower and an array with the same average amount of nectar per flower but a moderate amount of variance i e some flowers have more some have less Which array do you think the birds will prefer and why Be sure to explain any assumptions you must make about the birds and their physiological state in order to make your prediction

8 Optimal diet theory predicts that animals should choose prey that maximize the difference between energy obtained per unit and the cost of acquisition For example shorebirds foraging on snails should choose medium sized prey over both small prey too little energy content to justify the handling time required to crack the shell and large prey high energy content but requires much more energy to crack the shell In the field shorebirds do eat mostly medium sized snails but they are also observed eating both smaller and larger snails as well albeit at lower frequencies Explain two reasons why the birds might depart from the optimal diet theory prediction in this way

The eugenics movement Emphasized the social and environmental factors that create disproportionate health outcomes in socie O Originated in Nazi Germany O Is popular and supported today amongst scientists Was widely popular in the United States before WWII

Causes for the recent trend in human population growth How to use your Electrolux CLEANER MODEL R C M B RENTICCA HABLASIN A D E 4 Identify describe how each cause of the recent trend in human population growth contributes to the trend

Find the length of AB B 10 5 D