social insects Flashcards
1
Q
Social insects definition
A
- Cooperative care of the young
- Sterile castes
- Overlap of generations
ants, bees, and wasp
termites (also king)
2
Q
Haplodiploid Hypothesis
A
eusociality arose bc
sisters are more closely related to each other than parent is to offspring
3
Q
problem with Haplodiploid Hypothesis
A
relatedness to brothers
if sex ratio is(not) 1:1
4
Q
Monogamy hypothesis
A
eusociality arose bc
Multiple mating reduces the relatedness between offspring
monogamy first then polyandry
5
Q
ecological benefits of cooperation
A
- Life insurance
- Fortress defense
- Food distribution
6
Q
when will there be conflicts within insect societies
A
as long as relatedness is less than 1
7
Q
Conflicts over the sex ratio
A
Queen-worker conflict (single/multiple-mating)
Worker control
Queen control (queen control)
8
Q
Worker policing in the social Hymenoptera
A
- In colonies with effective worker
policing, the percentage of
reproductive workers are also lower - Still beneficial to help raise relatives,
but enforcement can help favor
cooperation
