Question 1

You notice that smaller field caught lizards tend to have more mites than larger lizards.It is safe to conclude:

Accepted Answer

A)  Small lizards are more vulnerable to parasites than large lizards 
B)  It is difficult to conclude anything without doing a follow up experiment 
C)  Small lizards have growth stunted as a result of parasites 
D)  Mites make it difficult for small lizards to find food 
A)  Small lizards are more vulnerable to parasites than large lizards 
B)  It is difficult to conclude anything without doing a follow up experiment 
C)  Small lizards have growth stunted as a result of parasites 
D)  Mites make it difficult for small lizards to find food

Question 2

When predation interrupts competitive exclusion it is said to result in __________________.

Accepted Answer

A)  Prey population cycles 
B)  Predator-mediated coexistence 
C)  Predator-induced competition 
D)  Prey-mediated predator population cycles 
A)  Prey population cycles 
B)  Predator-mediated coexistence 
C)  Predator-induced competition 
D)  Prey-mediated predator population cycles

Question 3

In Figure 7.4c,which plants mass was greatest prior to being infected with Cuscuta salina?

Accepted Answer

A)  Salicornia 
B)  Limonium 
C)  Frankenia 
D)  Dodder 
A)  Salicornia 
B)  Limonium 
C)  Frankenia 
D)  Dodder

Question 4

Scientists have noticed that a nomadic tribes people leave a large native nut out of their diet.Based on optimal foraging theory you might conclude:

Accepted Answer

A)  It is a common food item with high energy 
B)  It is easily found in areas 
C)  It has a thick outer shell and therefore a high "handling time" 
D)  It is a seasonal fruit 
A)  It is a common food item with high energy 
B)  It is easily found in areas 
C)  It has a thick outer shell and therefore a high "handling time" 
D)  It is a seasonal fruit

Question 5

When predators consume prey there is not always a negative effect on prey populations because?

Accepted Answer

A)  Prey hide more when predators are nearby 
B)  Predation can reduce intraspecific competition 
C)  Predators tend to select the healthiest prey 
D)  Predators tend to select breeding individuals as their prey 
A)  Prey hide more when predators are nearby 
B)  Predation can reduce intraspecific competition 
C)  Predators tend to select the healthiest prey 
D)  Predators tend to select breeding individuals as their prey

Question 6

Mistletoe is a plant that grows on other plants and is best categorized as a

Accepted Answer

A)  Symbiont 
B)  Predator 
C)  Parasitoid 
D)  Parasite 
A)  Symbiont 
B)  Predator 
C)  Parasitoid 
D)  Parasite

Question 7

When a zero isocline is used in a Lotka-Volterra predator-prey model,it will show that

Accepted Answer

A)  Predator and prey populations are independent 
B)  Predator and prey populations depend on parasites 
C)  Predator and prey populations are mutually exclusive 
D)  Predator and prey populations are linked, with predator abundance tracking that of the prey 
A)  Predator and prey populations are independent 
B)  Predator and prey populations depend on parasites 
C)  Predator and prey populations are mutually exclusive 
D)  Predator and prey populations are linked, with predator abundance tracking that of the prey

Question 8

Parasites are like predators in that they:

Accepted Answer

A)  Can reduce the competitive impacts of otherwise dominant competitors 
B)  Can reduce the fitness of the organism on which they are preying upon or parasitizing 
C)  Typically remove one individual from a population 
D)  There impacts are not at all similar 
A)  Can reduce the competitive impacts of otherwise dominant competitors 
B)  Can reduce the fitness of the organism on which they are preying upon or parasitizing 
C)  Typically remove one individual from a population 
D)  There impacts are not at all similar

Question 9

Which term defines an organism that reduces the growth,fecundity,or survival of another living organism that it consumes?

Accepted Answer

A)  Prey 
B)  Saprotroph 
C)  Predator 
D)  Producer 
A)  Prey 
B)  Saprotroph 
C)  Predator 
D)  Producer

Question 10

It appears that more species of mussels can coexist when sea stars are present then when they are not.This would be an example of:

Accepted Answer

A)  The competitive exclusion principle. 
B)  N-dimensional hypervolume. 
C)  Predator-mediated coexistence. 
D)  The value of metapopulations. 
A)  The competitive exclusion principle. 
B)  N-dimensional hypervolume. 
C)  Predator-mediated coexistence. 
D)  The value of metapopulations.

You notice that smaller field caught lizards tend to have more mites than larger lizards.It is safe to conclude:

When predation interrupts competitive exclusion it is said to result in __________________.

In Figure 7.4c,which plants mass was greatest prior to being infected with Cuscuta salina?

Scientists have noticed that a nomadic tribes people leave a large native nut out of their diet.Based on optimal foraging theory you might conclude:

When predators consume prey there is not always a negative effect on prey populations because?

Mistletoe is a plant that grows on other plants and is best categorized as a

When a zero isocline is used in a Lotka-Volterra predator-prey model,it will show that

Parasites are like predators in that they:

Which term defines an organism that reduces the growth,fecundity,or survival of another living organism that it consumes?

It appears that more species of mussels can coexist when sea stars are present then when they are not.This would be an example of:

Ecology and How to Do It

Ecology’s Evolutionary Backdrop

Physical Conditions and the Availability of Resources

Climate and the World’s Biomes

Birth, Death and Movement

Interspecific Competition

Molecular and Evolutionary Ecology

From Populations to Communities

Patterns in Species Richness

The Flux of Energy and Matter Through Ecosystems

Global Biogeochemical Cycles and Their Alteration by Humans

Conservation Ecology

The Ecology of Human Population Growth, Disease, and Food Supply

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Exam 7: Predation, Grazing and Disease

You notice that smaller field caught lizards tend to have more mites than larger lizards.It is safe to conclude:

When predation interrupts competitive exclusion it is said to result in __________________.

In Figure 7.4c,which plants mass was greatest prior to being infected with Cuscuta salina?

Scientists have noticed that a nomadic tribes people leave a large native nut out of their diet.Based on optimal foraging theory you might conclude:

When predators consume prey there is not always a negative effect on prey populations because?

Mistletoe is a plant that grows on other plants and is best categorized as a

When a zero isocline is used in a Lotka-Volterra predator-prey model,it will show that

Parasites are like predators in that they:

Which term defines an organism that reduces the growth,fecundity,or survival of another living organism that it consumes?

It appears that more species of mussels can coexist when sea stars are present then when they are not.This would be an example of:

Ecology and How to Do It

Ecology’s Evolutionary Backdrop

Physical Conditions and the Availability of Resources

Climate and the World’s Biomes

Birth, Death and Movement

Interspecific Competition

Molecular and Evolutionary Ecology

From Populations to Communities

Patterns in Species Richness

The Flux of Energy and Matter Through Ecosystems

Global Biogeochemical Cycles and Their Alteration by Humans

Conservation Ecology

The Ecology of Human Population Growth, Disease, and Food Supply

Filters