Quiz 3 Flashcards
Parent-Offspring Conflict (+ example)
When it is in the mother’s best interest to stop nursing her offspring so that she can ovulate and reproduce, but it is in the offspring’s best interest to continue nursing from its mother.
Ex: Flint and Flo
Ex: Rhesus macaques will hit, push, and bite their infants to prevent them from nursing
Anatomical traits of Leaf-Eaters
- smaller brains
- defecate less than fruit-eaters
- either have complex chambered stomachs or a single gut with large caecum
Primary sex ratio
at conception
Alloparenting
care of an infant by an individual other than its biological parent
Five reasons why play behavior is so vital for a developing primate
- social development
- learn your place in the hierarchy
- social integration (develop kinship)
- physical fitness/activity
- learning to communicate with others
Patas monkey (diet and unusual behavior)
- very high quality diet for such a large primate (75% gum and insects, high in sugar and complex carbs)
- fastest runner of all primates
- reaches sexuality maturity in only 3 years
Socioeconomic sex ratio
at sexual maturity
Operational sex ratio
at point of sexual activity
Anatomical traits of Fruit-Eaters
- larger brains than leaf-eaters
- faster digestion (defecate frequently)
- often have long arms and tails so that they can swing through the trees and cover ground quickly
- oversized large intestines
Monogamy
sticking with one mate
Ex: Indri
Promiscuous (+ example)
both genders have sex frequently with multiple partners
Ex: Bonobos
Monogamy (+ example)
sticking with one mate
Ex: Indri
Polygyny (+ example)
one male, multiple females
Ex: Gorillas
Polyandry (+ example)
one female, multiple males
Ex: Cotton-top tamarins
