predation Flashcards

1
Q

define exploitation

A

interactions between populations that enhances fitness of one individual while reducing fitness of exploited individual

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

exploitation can affect?

A

distribution, abundance, and structure of prey and host populations

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

predator removal affects?

A

prey abundance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

what is the red queen hypothesis?

A

relationship between predator/prey and parasite/host is a “contest of arms”

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

exploitation can reduce fitness to?

A

zero

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

(t/f) exploitation can reverse evolution

A

true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

changing host behavior so host are more prone to predation is?

A

dispersal mechanism for the parasite

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what are the adaptation to reduce predation?1

A

mimicry
chemical defense
warning coloration
immunological defense
behavioral defense
group living
aggregate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

increase in prey = ?

A

increase in predation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

increasing prey populations affect predator populations and is summarized as?

A

functional response of the predator

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

explain optimal foraging

A

sometimes predators select among available prey and size of prey - will always take most energy per unit time of handling and searching

How well did you know this?
1
Not at all
2
3
4
5
Perfectly