1.What did eating habits help to develop two million years ago?
a) table manners
b) cutlery
c) language
d) roasted meat
2.Which university conducted the research?
a) Harvard
b) Sorbonne
c) Oxford
d) Tokyo
3.What did we need to do less because we cut meat up?
a) hunt
b) cook
c) speak
d) chew
4.How many chews per year did cutting up meat save early humans?
a) 25,000,000
b) 2,500,000
c) 250,000
d) 250,000,000
5.How much of the day does a chimpanzee spend chewing?
a) a fifth
b) two-thirds
c) half
d) three-quarters
6.What did the need to chew less change the shape of?
a) dinner tables
b) our face
c) shops
d) knives
7.What became smaller because of the need to chew less?
a) our tongue
b) knives
c) saucepans
d) our teeth
8.What part of our bodies became bigger?
a) our hands
b) our brain
c) our jaw
d) our tongue
9.What kind of meat did a researcher chew to test his theory?
a) goat
b) camel
c) chicken
d) horse
10.What did the researcher say was the simplest technology of all?
a) chewing
b) cooking food
c) talking
d) slicing meat