U3 KA6 Flashcards
1
Q
What are the benefits of co-operative hunting? (3)
A
- hunt success rates increase.
- less energy is expended per individual.
- benefits subordinate and dominant animals as everyone gets more food.
2
Q
What is a Social Hierarchy?
A
- a rank order within a group of animals consisting of dominant and subordinate members.
3
Q
How does a Social Hierarchy aid a species?
A
- it increases the chances of favourable genes of the dominant animals being passed on.
4
Q
How can ones rank within the Social Hierarchy be improved?
A
- by forming alliances, they can increases their social status within the group.
5
Q
What behaviours do dominant animals carry out?
A
- ritualistic (threat) displays.
6
Q
What behaviours do subordinate animals carry out?
A
- appeasement behaviour to reduce conflict.
7
Q
What are the benefits of social defence? (2)
A
- increased survival chance (due to working together).
- more individuals can scout for predators.
8
Q
What is altruism?
A
- when one animal benefits another, at its own expense.
- most common in relatives (kin).
9
Q
What is Reciprocal Altruism?
A
- when the roles of the donor an the recipient of altruism are later reversed.
10
Q
What is kin selection?
A
- when the donor benefits in terms of increased chance of survival of shared genes in the recipients offspring.
11
Q
Give 3 examples of social insects.
A
- ants
- bees
- wasps
12
Q
What is the role of the queen?
A
- a fertile adult female with the role of reproducing for the colony.
13
Q
What is the role of the drone?
A
- a fertile adult male with the role of helping to reproduce for the colony.
14
Q
What is the role of the worker?
A
- co-operate with relatives to raise relatives,
increasing chances of survival of shared genes. - other roles; collect pollen, defend hive, care for queens young, share genes with queens young.
15
Q
Why is primate parental care effective?
A
- long periods of primate parental care allow the young to learn complex social behaviours.
