Primate Intelligence

Question 0

Hominin intelligence and brain sized is theorized to have increased as a result of?

Answer 0

tool use and extractive foraging

Question 1

define tool culture

Answer 1

a set of tools an animal uses

Question 2

Tool manufacture is limited to which primates?

Answer 2

chimpanzees and orangutans

Question 3

Chimpanzees have technical intelligence & tool use. Which 4 tools do they have?

Answer 3

• probes
• hammers
• sponges
• branches

Question 4

when were the earliest bipeds?

Answer 4

5-6 mya

Question 5

When were the first stone tools?

Answer 5

2.5 mya

Question 6

A dramatic brain size increase happened in primates how long ago?

Answer 6

300 mya

Question 7

Ecological intelligence in primates

Answer 7

• hominin intelligence and brain size increase theorized as a result of benefits of navigating and foraging in a complex tropical forest ecosystem
• climate change in late miocene may have been a driving force
• many small-brained animals are just as successful as primates in the same complex enviroment

Question 8

Social intelligence

Answer 8

• hominin intelligence and brain size increase theorized as a result of benefits of being politically or socially clever when living with others
• individuals must remember the network of alliences, rivalries, debts and credit in the group
• chimpanzees engage in a “service economy” where they barter alliances and support
• those most successful with social relationships have more mating success
• group size increase = brain size increase
• intentional deception

Question 9

What is theory of mind

Answer 9

• ability to understand the mental state of others
• ability to lie, to imitate, to teach, all rely on the assumption that others think as you do
• human children develop this after the age of 2