bio psych: lecture 5.2.2

There are possible fossil ancestors for gorillas.

What is the estimated age range of the only set of teeth found from East African Rift Valley?

The only set of teeth found from East African Rift Valley is estimated to be closer to __________ years old.

Chimpanzees and bonobos are the only two species of Pan.

Where are bonobos primarily found?

Chimpanzees were once present in __________ numbers across Africa, but now there are less than 300,000 individuals. The current estimated population of bonobos is approximately __________.

There are four subspecies of chimpanzees.

Which of the following is NOT a subspecies of chimpanzees?

Chimpanzees have four subspecies: Western Chimpanzee (Pan troglodytes verus), Nigeria Cameroon Chimpanzee (Pan troglodytes ellioti), Central Chimpanzee (Pan troglodytes troglodytes), and Eastern Chimpanzee (Pan troglodytes schweinfurthii). ​ There is also a possibly small southern subspecies called __________.

True or False: Ethograms and activity budgets provide a guide to 'normal' or 'species-specific' behavior and time spent engaged in behavior.

Cultural differences can affect the behavior of chimpanzees.

Mountain gorillas are representative of lowland gorillas (housed in zoos).

Ethograms and activity budgets are used to understand:

Ethograms and activity budgets provide a guide to 'normal' or 'species-specific' behavior and time spent engaged in __________.

It is important to consider __________ differences as not all chimpanzees behave like Gombe chimpanzees.

Mountain gorillas, which are housed in zoos, are not representative of __________ gorillas.

True or False: Work-life balance is important for the psychological well-being of chimpanzees.

Choice and control play a role in the psychological well-being of chimpanzees.

Personality clashes can affect the psychological well-being of chimpanzees.

Work-life balance is important for the psychological well-being of chimpanzees as too much leisure and not enough work can lead to __________ issues.

Choice and control, whether perceived or actual, contribute to the psychological well-being of chimpanzees by providing a sense of __________.

Personality (’_____ ______ ______ or crisis?; personality ‘clashes’ with others breeding partners, companions)

Wild adult female chimpanzees spend 30% of their daytime foraging.

what is the wild chimpanzees activity budget?

True or False: Captive chimpanzees have less 'work' and more 'leisure' compared to wild chimpanzees.

Possible problems in captivity for chimpanzees include boredom, aberrant behaviors, stereotypy, and obesity.

True or False: Possible problems in captivity for chimpanzees include ______, _______ _______, ______, ______.

CHIMPANZEE SOCIAL STRUCTURE (Gombe, Tanzania) LIVE IN LARGE COMMUNITIES (unit groups): • usually 40 60 chimpanzees (can be 15 120) • sex ratio approximately equal

CHIMPANZEE SOCIAL STRUCTURE (Gombe, Tanzania): COMMUNITY HOME RANGES about 50 km 2 • but 600 km 2 in dry miombo woodland in Ugalla district, Tanzania

CHIMPANZEE SOCIAL STRUCTURE: BROADLY TERRITORIAL • ranges may overlap by 20%, but always > 5 km between two groups

CHIMPANZEE SOCIAL STRUCTURE: LIVE IN LARGE COMMUNITIES (unit groups): • usually chimpanzees ____ - ____(can be 15- 120) • sex ratio approximately _______.

Chimpanzees in Gombe, Tanzania usually travel in small groups up to 10

How many chimpanzees typically travel in small groups in Gombe, Tanzania?

Chimpanzee social structure is characterized by a fission-fusion society.

What is a characteristic of chimpanzee social structure?

Nursery groups consist of males and estrous females.

Nursery groups, consisting of ________ and young, travel only 3 km/day.