Unit 3-Social Behaviour Flashcards
Grouping of individuals within a species graded by their social position
Social Hierarchy
Hunting behaviour in which individuals work together to catch prey
Cooperative Hunting
Animal lower in the hierarchy; below the dominant individual
Subordinate
Animal ranked at the top of a social hierarchy
Dominant animal
Behaviour that harms the donor but benefits the recipient
Altruistic behaviour
Organisms donating resources to those with whom they share genetic material
Kin selection
When an altruistic act is returned by the original recipient to the original donor
Reciprocal altruism
Species that has a central and important stabilising role in a community
Keystone species
Link between individuals in a primate social group which can increase social status
Alliances
Activities performed by parents that increase the survival chances of their young
Parental Care
Insects that live in complex social colonies
Social Insects
To reduce unnecessary conflict, social primates use:
Grooming, facial expression, body posture and sexual presentation important in different species.
Ritualistic display and appeasement behaviours