Question 1

Vampire bats can die if they don't feed for three days.

Accepted Answer

A) True 
 B)False  True

Question 2

Match the following body size attributes with mating systems.
-monogamous

Accepted Answer

A)  male and female similar in size 
B)  male much bigger than female 
C)  female much bigger than male 
A)  male and female similar in size 
B)  male much bigger than female 
C)  female much bigger than male A

Question 3

A study by Eric Post and colleagues linking snowfall, wolf movement, elk death and tree growth showed

Accepted Answer

A)  heavy snow makes wolves travel in smaller packs. 
B)  wolves in smaller packs kill more moose per day. 
C)  moose density affects the growth of fir trees. 
D)  moose density increases as wolf pack size increases. 
E)  All the above are true. 
A)  heavy snow makes wolves travel in smaller packs. 
B)  wolves in smaller packs kill more moose per day. 
C)  moose density affects the growth of fir trees. 
D)  moose density increases as wolf pack size increases. 
E)  All the above are true. C

Question 4

Which is an example of intrasexual selection, not intersexual selection?

Accepted Answer

A)  peahens choose to mate with peacocks with more showy tail feathers. 
B)  male elephant seals fight other males to defend a harem of females. 
C)  male hanging flies present nuptial gifts to females, who choose their mates on gift quality. 
D)  female sticklebacks mate with males who shake it the hardest. 
E)  male bower birds with longer tails mate with more females because they are more attractive. 
A)  peahens choose to mate with peacocks with more showy tail feathers. 
B)  male elephant seals fight other males to defend a harem of females. 
C)  male hanging flies present nuptial gifts to females, who choose their mates on gift quality. 
D)  female sticklebacks mate with males who shake it the hardest. 
E)  male bower birds with longer tails mate with more females because they are more attractive.

Question 5

In coastal western Canada, crows drop whelks so that they break on the rocky shore. Crows tend to select _________ whelks and drop them from about _________ high.

Accepted Answer

A)  small; 1m 
B)  medium; 1m 
C)  large; 1m 
D)  medium; 5m 
E)  large; 5m 
A)  small; 1m 
B)  medium; 1m 
C)  large; 1m 
D)  medium; 5m 
E)  large; 5m

Question 6

Match up the species with their mating system.
-monogamy

Accepted Answer

A)  bonobos, mollusks, megapode birds 
B)  most birds, burying beetles 
C)  most mammals, bullfrogs, lark bunting, lions, elephant seals 
D)  spotted sandpiper, jacanas, pipefish, Galapagos hawk 
A)  bonobos, mollusks, megapode birds 
B)  most birds, burying beetles 
C)  most mammals, bullfrogs, lark bunting, lions, elephant seals 
D)  spotted sandpiper, jacanas, pipefish, Galapagos hawk

Question 7

Behavioral ecology is the same as ethology.

Accepted Answer

A) True 
 B)False

Question 8

Males of which species usually kill infants when they take over groups of females from other males?

Accepted Answer

A)  naked mole rats. 
B)  lions 
C)  grouse. 
D)  elk. 
E)  elephant seals. 
A)  naked mole rats. 
B)  lions 
C)  grouse. 
D)  elk. 
E)  elephant seals.

Question 9

Match the following body size attributes with mating systems.
-polyandrous

Accepted Answer

A)  male and female similar in size 
B)  male much bigger than female 
C)  female much bigger than male 
A)  male and female similar in size 
B)  male much bigger than female 
C)  female much bigger than male

Question 10

When crows drop whelks onto rocks in coastal Canada, the chance of whelks breaking increases as the number of drops increases.

Accepted Answer

A) True 
 B)False

Question 11

What is an effect of polygyny on a population's genetic composition?

Accepted Answer

A)  effective population size will be greater than actual populations size. 
B)  effective population size will be the same as the actual population size. 
C)  effective population size will be smaller than actual population size. 
D)  no effect; polygyny does not influence the effective population size relative to the actual population size. 
A)  effective population size will be greater than actual populations size. 
B)  effective population size will be the same as the actual population size. 
C)  effective population size will be smaller than actual population size. 
D)  no effect; polygyny does not influence the effective population size relative to the actual population size.

Question 12

In a contest where the reward for winning is +100, the cost of injury is -50, the cost of display is -20 and loses get 0, on average, who gets the largest payoff?

Accepted Answer

A)  hawkes. 
B)  doves. 
C)  bourgeois 
A)  hawkes. 
B)  doves. 
C)  bourgeois

Question 13

One of the main proponents of group selection was G. C. Williams.

Accepted Answer

A) True 
 B)False

Question 14

Honeybees are polyandrous.

Accepted Answer

A) True 
 B)False

Question 15

Which conclusion can be drawn from the hawk/dove game?

Accepted Answer

A)  Fighting strategy is independent of what others are doing. 
B)  ESS is usually 100% hawk, 100% dove or 100% bourgeois. 
C)  ESS is dependent on the value of the rewards. 
D)  The frequency of dove behavior increases as the payoff increases. 
E)  Dove-like strategies dominate in fights over females. 
A)  Fighting strategy is independent of what others are doing. 
B)  ESS is usually 100% hawk, 100% dove or 100% bourgeois. 
C)  ESS is dependent on the value of the rewards. 
D)  The frequency of dove behavior increases as the payoff increases. 
E)  Dove-like strategies dominate in fights over females.

Question 16

Which is NOT a strategy to explain monogamous mating systems?

Accepted Answer

A)  mate-guarding hypothesis 
B)  male assistance hypothesis 
C)  Fisher's principle 
D)  female-enforced monogamy hypothesis 
E)  All the above answers can explain monogamous mating systems. 
A)  mate-guarding hypothesis 
B)  male assistance hypothesis 
C)  Fisher's principle 
D)  female-enforced monogamy hypothesis 
E)  All the above answers can explain monogamous mating systems.

Question 17

Match the average rewards to the first strategy in hawk/dove type game where the benefits of winning are +100, injury -100, losing = 0 and display = -10
-Dove vs. Dove

Accepted Answer

A)  42 
B)  102 
C)  2 
A)  42 
B)  102 
C)  2

Question 18

Naked mole rats

Accepted Answer

A)  do not readily share food. 
B)  are haplodiploid organisms. 
C)  have a caste system. 
D)  live in the prairies of North America. 
E)  have no predators. 
A)  do not readily share food. 
B)  are haplodiploid organisms. 
C)  have a caste system. 
D)  live in the prairies of North America. 
E)  have no predators.

Question 19

Match the term with the correct definition.
-eusociality

Accepted Answer

A)  the probability any two individuals share a copy of genes by descent. 
B)  the total number of copies of genes passed on via reproduction and via relatives. 
C)  selection that lowers one's fitness but enhances that of a relative. 
D)  the development of sterile castes in social insects. 
E)  behavior that appears to benefit others at a cost to oneself. 
A)  the probability any two individuals share a copy of genes by descent. 
B)  the total number of copies of genes passed on via reproduction and via relatives. 
C)  selection that lowers one's fitness but enhances that of a relative. 
D)  the development of sterile castes in social insects. 
E)  behavior that appears to benefit others at a cost to oneself.

Question 20

Match the term with the correct definition.
-coefficient of relatedness

Accepted Answer

A)  the probability any two individuals share a copy of genes by descent. 
B)  the total number of copies of genes passed on via reproduction and via relatives. 
C)  selection that lowers one's fitness but enhances that of a relative. 
D)  the development of sterile castes in social insects. 
E)  behavior that appears to benefit others at a cost to oneself. 
A)  the probability any two individuals share a copy of genes by descent. 
B)  the total number of copies of genes passed on via reproduction and via relatives. 
C)  selection that lowers one's fitness but enhances that of a relative. 
D)  the development of sterile castes in social insects. 
E)  behavior that appears to benefit others at a cost to oneself.

Exam 4: Behavioral Ecology

Vampire bats can die if they don't feed for three days.

Match the following body size attributes with mating systems. -monogamous

A study by Eric Post and colleagues linking snowfall, wolf movement, elk death and tree growth showed

Which is an example of intrasexual selection, not intersexual selection?

In coastal western Canada, crows drop whelks so that they break on the rocky shore. Crows tend to select _________ whelks and drop them from about _________ high.

Match up the species with their mating system. -monogamy

Behavioral ecology is the same as ethology.

Males of which species usually kill infants when they take over groups of females from other males?

Match the following body size attributes with mating systems. -polyandrous

When crows drop whelks onto rocks in coastal Canada, the chance of whelks breaking increases as the number of drops increases.

What is an effect of polygyny on a population's genetic composition?

In a contest where the reward for winning is +100, the cost of injury is -50, the cost of display is -20 and loses get 0, on average, who gets the largest payoff?

One of the main proponents of group selection was G. C. Williams.

Honeybees are polyandrous.

Which conclusion can be drawn from the hawk/dove game?

Which is NOT a strategy to explain monogamous mating systems?

Match the average rewards to the first strategy in hawk/dove type game where the benefits of winning are +100, injury -100, losing = 0 and display = -10 -Dove vs. Dove

Naked mole rats

Match the term with the correct definition. -eusociality

Match the term with the correct definition. -coefficient of relatedness

An Introduction to Ecology

Population Genetics

Natural Selection, Speciation, and Extinction

Temperature

Water

Nutrients

Demographic Techniques and Population Patterns

Life Tables and Demography

Population Growth

Competition and Coexistence

Facilitation

Predation

Herbivory

Parasitism

Population Regulation

Species Diversity

Species Richness Patterns

Species Richness and Community Services

Succession

Island Biogeography

Terrestrial Biomes

Marine Biomes

Freshwater Biomes

Food Webs and Energy Flow

Biomass Production

Biogeochemical Cycles

Filters

In coastal western Canada, crows drop whelks so that they break on the rocky shore. Crows tend to select _ whelks and drop them from about _ high.