October 31, 2012 Flashcards
1
Q
_______ in almonds break down when you eat it and decomposes into cyanide
A
amygdalin
2
Q
When was the almond domesticated
A
3,000 BC
3
Q
When did all the crops in the planet domesticate
A
4,000 years ago
4
Q
When was irrigation invented?
A
3,000 years ago
5
Q
When was the ox drawn plow invented?
A
1,000 B.C.
6
Q
Describe legumes
A
It has bacteria in the root structure that fix nitrogen from the air
7
Q
What did the Arabs introduce to the West
A
lemons, sugar and oranges
8
Q
How much people were on earth when agriculture started?
A
3 million
9
Q
What are the consequences of agriculture?
A
- Everyone had to stay in one place, made civilization more complex
- More disease from animals
- more people died in citiies than births
10
Q
What is coprolites
A
Fossilized feces - an invaluable source of information of what our ancestors ate
11
Q
After the 1900s, the human diet changed signigicantly because of ?
A
the fast food reolution
