Ecology of Sex Flashcards
1
Q
Male and female reproductive strategies
A
- Females allocate more energy per gamete than males
- Parental investments- very substantial for the females, while male sometimes leave the females
2
Q
Attributes that females use in selecting males
A
- Indicators of high genetic quality
- Indicators of high capacity to provide useful resources
3
Q
(Attributes that females use in selecting males)
High genetic quality
A
A. Genetic complementary
B. Capacity to dominate rivals
4
Q
A. Genetic complementary
A
- Male signals that he is non-relative
- Ability to provide large sample of gametes
5
Q
B. Capacity to dominate rivals
A
- Evidence of high social ranking
- Female’s incitation of male-male aggression
6
Q
(Attributes that females use in selecting males)
High capacity to provide resources
A
A. Material benefits offered by potential mate
B. Paternal services offered by the male
C. The capacity for prolonged survival
7
Q
Material benefits offered by potential mate
A
- Nutritional nuptial gifts provided to or during copulation
- Access to valuable resources controlled by male
8
Q
Paternal services offered by the male
A
- Indicators of foraging skill
- Readiness to defend mate and offspring
9
Q
The capacity for prolonged survival
A
- Behavioral or morphological cues associated with old age
- Male’s sound physiological condition
10
Q
How to pick up a dominant male
A
- High male status
Large body size
Good foraging ability
Superior survival skills
Good physical condition - Sexual advertisement (readiness to mate)
- Aggressive competition
11
Q
Testing male dominance
A
- Only a truly dominant male can subdue and mate with noisy female without sexual interference from his rivals
- Lengthy interaction with the partner
- Territorial capacities thru scents
12
Q
Mating systems
A
-monogamy
- polygamy
13
Q
mates with only one partner
A
Monogamy
14
Q
more than one partner
A
Polygamy
15
Q
Types of polygamy
A
- Polygyny
- Polyandry
