K SS 2 Flashcards
How many periods is the Holocene divided into
3
What is the first period of the Holocene?
the Early Holocene Subseries, or the Greenlandian Stage
When did the Early Holocene Subseries start/end?
11,700 to 8,236 years ago
What is the second period of the Holocene?
the Middle Holocene Subseries, or Northgrippian Stage
When did the Middle Holocene Subseries start/end?
8,236 to 4,250 years ago
What is the 3rd period of the Holocene?
Late Holocene Subseries, or Meghalayan Stage
When did the Late Holocene Subseries start/end?
4,250 years ago to present day
Was the Early Holocene the warmest or coldest period?
the warmest
When was the Holocene thermal maximum?
from around 11,000 to 7,000 years ago
What does the name Greenlandian Stage refer to?
the ice core that has evidence of the stag, NGRIP2
What is the name of the ice core that has evidence of the Early Holocene?
NGRIP2
How deep is NGRIP2?
1,492 meters into the the ice
The end date of the Early Holocene coincides with what event?
a meltwater event in Canada, where a glacial ice sheet collapsed
Where were humans living by the start of the Holocene?
all over the globe
In North America, the beginning of the Holocene happens at the same time as what?
extinction of dozens of large mammals
What are the 2 explanations for the extinction of many mammals at the start of the Holocene?
they were hunted to extinction or they couldn’t adapt to their changing climate
Large agricultural societies did not emerge until when?
the Middle Holocene
The nickname for the Middle Holocene, the Northgrippian Stage, refers to what?
an ice core in Greenland that shows evidence of cooler temperatures
When was the beginning date of the Middle Holocene?
6200 BCE
What does the beginning of the Middle Holocene coincide with?
the collapse of the glacial Laurentide Ice Sheet in Canada, a meltwater event
When during the Holocene did temperatures begin to decline?
7,300 years ago, or between 5,300 and 3,700 BCE
Why did temperatures in the Holocene begin to decline?
weakened solar energy
The period of time in the Holocene where temperatures start falling is known as what?
the Mid-Holocene Transition
The late Middle Holocene is known as the transition from ____________ Age to ____________ Age.
Stone Age to Bronze Age
What was the most notable agricultural society during the Middle Holocene?
the Mesopotamian civilization
When did the Late Holocene begin/end?
4,250 years ago and continues on into the present
What does the term “Meghalayan”, used in the Meghalayan age, refer to?
the location of a cave in Northeast India where mineral deposits have evidence of an event that marks the beginning of the late Holocene
What do all the nicknames for the stages in the Holocene have in common?
they are all named after evidence that supports the stage’s existence
The alterations in weather and climate that marked the beginning of the Late Holocene is a time known as what?
the Holocene Turnover, 4,250 years ago
When does the Late Holocene start? (year)
2250 BCE
What does CE stand for?
Common Era
The Holocene began in 11,700 using which year as a marker for the present?
2000 CE
What does BCE stand for?
Before Common Era
What year did the Holocene begin?
9700 BCE
What does BC stand for?
Before Christ
What does AD stand for?
Anno Domini, Latin for “In the year of the lord”
What language is Anno Domini?
Latin
What does Anno Domini mean in English
“In the year of the lord”
Years ago, scholars used what for the reference date of year zero?
the year of the birth of Christ
When did the Mesopotamian civilization begin?
3500 BCE
How did the new agricultural societies, starting around 3500 BCE, compare with earlier settlements?
they were much larger, the people there stayed and made good changes, and they had a social structure
What are agrarian communities?
farming societies
Where was Mesopotamia located?
in and around current Iraq
How does the rainfall of Mesopotamia compare with Iraq’s?
Mesopotamia’s rainfall was much higher than current rates
Where did the Mesopotamian water supply come from?
the Tigris and Euphrates Rivers
The Mesopotamian water supply was enhanced by what?
human-built irrigation systems
Who developed writing?
the Sumerians in Mesopotamia
Who were the Sumerians?
a class of priests in Mesopotamia
When did the Sumerians invent writing and planned cities?
3600 to 3000 BCE
How long does Earth’s history span?
4 billion years
How long did the Pleistocene last?
2.6 million years
Did the Pleistocene last long?
No, relatively speaking, as it only lasted 2.6 million years, compared to Earth’s 4 billion-year history
What were the subsequent powers in the Mesopotamian region?
Akkadians, Babylonians, Assyrians, and Persians
The Akkadians, Babylonians, Assyrians, and Persians were all subsequent powers of which region?
the Mesopotamian region
What was the ruling power of Mesopotamia from 2334-2218 BCE?
the Akkadian Empire
When did the Akkadian Empire collapse?
2218 BCE
When did the Akkadian Empire begin?
2234 BCE
The Egyptians populated around which river?
the Nile Delta
By which year did the Egyptians start their own form of writing?
3200 BCE
When did the Old Kingdom of Egypt start?
2700 BCE
When did the Old Kingdom of Egypt end?
2200 BCE
When did the Old Kingdom of Egypt start/end?
2700-2200 BCE
How good were the ancient Egyptian’s records on farming?
very good, with detail on how they used water and the Nile River
Experts use ancient Egypt’s records on farming for what?
to learn more about how people tried to protect their farming conditions
What was the main reason for the collapse of the Old Kingdom of Egypt?
the drought that occurred
Where did the Indus Civilization begin?
the Indus Valley
What civilization began in the Indus Valley?
the Indus Civilization
Where in the present day was the Indus Civilization located?
Pakistan
Scholars have split the Indus Civilization into how many parts?
3