Question 1

Predators that maximize the efficiency of energy acquisition are known as __________.

Accepted Answer

The answer of Predators that maximize the efficiency of energy...

Question 2

In Holling's study of sawfly predation, he was able to determine the functional response of the predators because

Accepted Answer

A)  each predator had a significant functional response. 
B)  none of the predators had a numerical response. 
C)  the numerical and functional responses were equal. 
D)  the predators opened the pupae in distinctive ways. 
E)  none of the above

Question 3

Natural selection is __________ (stronger; weaker) on the prey than the predator.

Accepted Answer

The answer of Natural selection is __________ (stronger; weaker) on...

Question 4

Which of the following is not a determinant of how long a predator should stay in a patch?

Accepted Answer

A)  the energy gain for the patch 
B)  the travel time to a new patch 
C)  the handling time 
D)  the line tangent to the energy-gain curve 
E)  none of the above

Question 5

Predators must learn to avoid aposematically colored prey.

Accepted Answer

A) True 
 B)False

Question 6

In a coevolutionary arms race,

Accepted Answer

A)  selection is stronger on the predator. 
B)  selection favors equilibrium. 
C)  each adaptation by one species leads to a new adaptation in the other. 
D)  each adaptation by one species negates selection on the other. 
E)  none of the above

Question 7

__________ predators remain stationary until the prey is detected; __________ predators move through the landscape searching for prey.

Accepted Answer

The answer of __________ predators remain stationary until the prey...

Question 8

What happens if Batesian mimics become more common than the noxious species they mimic?

Accepted Answer

The answer of What happens if Batesian mimics become more...

Question 9

King snakes are Mullerian mimics of coral snakes.

Accepted Answer

A) True 
 B)False

Question 10

According to the life-dinner principle,

Accepted Answer

A)  selection acts asymmetrically on predator and prey. 
B)  selection acts symmetrically on predator and prey. 
C)  coevolutionary interactions always come to equilibrium. 
D)  coevolutionary interactions never come to equilibrium. 
E)  none of the above

Question 11

Predator swamping can overwhelm the predator functional response but not the numerical response.

Accepted Answer

A) True 
 B)False

Question 12

At high prey density predators should be less specialized.

Accepted Answer

A) True 
 B)False

Exam 12: Coevolution I Exploitative Interactions

Predators that maximize the efficiency of energy acquisition are known as __________.

In Holling's study of sawfly predation, he was able to determine the functional response of the predators because

Natural selection is __________ (stronger; weaker) on the prey than the predator.

Which of the following is not a determinant of how long a predator should stay in a patch?

Predators must learn to avoid aposematically colored prey.

In a coevolutionary arms race,

predators remain stationary until the prey is detected; predators move through the landscape searching for prey.

What happens if Batesian mimics become more common than the noxious species they mimic?

King snakes are Mullerian mimics of coral snakes.

According to the life-dinner principle,

Predator swamping can overwhelm the predator functional response but not the numerical response.

At high prey density predators should be less specialized.