Intraspecific Relationship Flashcards
Intraspecific Relationship
Competition between members of the same species due to having identical ecological niches, therefore require the same resources for survival
Altruism
Behaviours that benefit others at the expensive of oneself
Kin Selection
Altruism mechanism to benefit the fitness of related organisms that share genes
Agonistic Behaviour
Aggressive behaviour specific to intraspecific competition for resources for survival or reproduction, without causing injury or death
Sexual Dimorphism
Physical differences between male and females of the same species
Dominance Hierarchy
Organisation of individuals in a group according to their social rank
Alpha Individual
Highest ranked
Omega Individual
Lowest ranked
Linear Hierarchy
No two individuals share a similar social ranking, all either dominant or submissive to each other
Complex Hierarchy
Several individuals from similar social rankings form a ranked group
Home Range
The total area the animal lives and travels for resources (food supply, nesting, water and other valuable resources)
Territory
A geographical area that an individual marks and defends containing nesting area
Territorial Behaviour
Actions taken to defend and maintain the territory from others of the same species
r
Growth rate
K
Carrying capacity
N
Population number
R-Selection
Rapid growth rate that is not sustained due to lack of parental care for offspring
K-Selection
Slow but sustainable growth rate due to lots of parental care for offspring
Courtship Behaviour
Mate-selection rituals within a species
Monogamy
Marriage: One male and one female mate for life
Polygyny
One male mates with multiple female
Polygynandry
Multiple male and multiple female mating
Polyandry
One female mates with multiple male
Reproductive Effort
The total amount of energy an organism spends on reproduction
