Social Behaviour Flashcards
What do we call a rank order within a group of nimals?
Social hierarchy
What sort of behaviour do dominant animals display?
ritualistic threat displays
What sort of behaviour so subordinate animals display?
appeasement behaviour
How do social hierarchies benefit future generations of the population?
the dominant animals more favourable genes are more likely to be passed on to offspring
What is the benefit or forming alliances?
Increase your social status within a group
What are 4 benefits of co-operative hunting?
- All animals gain more food
- Uses less energy
- Can attack bigger prey
- Increases the chance of success
What is the main advantage of social defence strategies?
increase the chances of survival
Give 2 examples of social defence strategies.
- lookout for predators whilst other forage for food (meerkat)
- Group formation when under attack to protect the young
What is altruistic behaviour?
harms the donor but benefits the recipient
What is reciprocal altruism?
Where the roles of donor and recipient are reversed, often occurs in social groups (vampire bats)
What does kin mean?
related
When is altruism most likely to occur?
When the donor and recipient are closely related.
How does the donor benefit from kin selection?
An increased chances of survival of shared genes in the recipients offspring.
Which bees are fertile?
Queens and drones
Which bees are infertile?
The workers
