General Ecology Chapter 13

Question 1

Which of the following has low lethality but high intimacy?

Answer 1

Parasites

Question 2

Ladybird beetles employ which type of antipredator strategy

Answer 2

Aposematic coloration

Question 3

Syrphid flies employ which type of antipredator strategy?

Answer 3

Batesian mimicry

Question 4

Mutual interference between predators tends to:

Answer 4

Bend the predator isocline to the right

Question 5

Which of the following are native predators?

Answer 5

Foxes in America

Question 6

According to a recent meta-analysis in England, which type of predator removal had the strongest effects on prey populations?

Answer 6

Both birds and mammals together

Question 7

If K = 20,000 and r = 0.2, then the maximum sustainable yield is:

Answer 7

2,000

Question 8

The maximum yield occurs at which point of the logistic curve?

Answer 8

Middle

Question 9

Which was the first group of whales to be overharvested in the southern ocean?

Answer 9

Blue

Question 10

Cryptically colored prey often remain motionless in the presence of predators:

Answer 10

True