Flex 2-2

Expanding World Population 02

vocabulary

revolution - 大変革，革命

gatherer - 採集者，採集民

gathering - 収集，採集

inconsistent - 不安定な，むらのある

regular - 規則的な

evolve - 発達する，発展する

community - 社会、共同体

hunter-gatherer - 狩猟採集民

trend - 傾向、トレンド

～AD(～CE) - 西暦～年

～ BC(～ BCE) - 紀元前～年

​first milestone

​first milestone

​2024 AD

1 AD

10,000 BC

revolution!!

Multiple Choice

What was the first technological revolution that helped population growth 10,000 years ago?

• iPhone

• computer

• Tik Tok

• agriculture

agriculture!!

​Before, people were hunter-gatherers

Word Cloud

What's difficult about the hunter-gatherer life?

• dangerous

• inconsistent

total number: small

​

​​on the other hand...

agriculture💕

Multiple Select

【2 CORRECT ANSWERS】

Agriculture is better than hunting/gathering because...

• it's safer

• it needs more water

• it provides regular food source

• it's more popular among teenagers

• safer!

• regular (=not inconsistent)!!

• safer!

• regular (=not inconsistent)!!

​→ communities could support more people!!!

10,000 years later...

​2024 AD

1 AD

10,000 BC

population: 300,000,000!!!

question!!

Fill in the Blank

Before the development of ____________, humans lived as hunter-gatherers.

​Good job!!