Download presentation
Presentation is loading. Please wait.
Published byLewis Lamb Modified over 9 years ago
1
The Big Bang
2
Our Galaxy: The Milky Way
3
Other Galaxies
4
Our Solar System
5
Earth
6
Plate Tectonics
7
The 1 st 4 Million Years 1859 Charles Darwin wrote On the Origin of Species. Australopithecines & modern humans are hominids, & members of the primate family.
8
Australopithecus Africanus
9
The 1 st 4 Million Years 3 distinguishing characteristics: Bi-pedalism Very large brain Lower position of larynx
10
The 1 st 4 Million Years Homo Habilis: Evolved 2-3 million years ago with brain 50% larger Seeds, grass, leaves, fruits, berries, low protein Extinct by 1 million years
11
Homo Habilis
12
The 1 st 4 Million Years Homo Erectus: 1.8 million years ago Resembled modern man from the neck down Brain 1/3 larger More protein - Social
13
Homo Erectus
14
The 1 st 4 Million Years Homo Sapiens: 400,000 to 100,000 years ago. Brain size increased by another 1/3 Greater speech capacity, expanded diet
15
Migration out of Africa
16
The 1 st 4 Million Years Stone Age (2MM – 4K) Paleolithic (Old) to 10K Neolithic (New) to now
17
The 1 st 4 Million Years Paleolithic (Old Stone Age): Stone tools Scavenging/Foraging Much later hunting Fire - not used for food.
18
Example of Paleolithic Art
19
The 1 st 4 Million Years 2 – parent family Women gathered, cooked, reared the children while the men hunted. Lived in small groups migrating to “chase” their food.
20
The 1 st 4 Million Years 3-5 hours daily for food, shelter and clothing. Time spent gathering, organizing, and passing on information, art, & religion.
21
Agricultural Revolution Neolithic (New Stone Age) Caused by changes in climate 1 st stage: semicultivation, followed by cultivation. Transitions occurred independently in various place of the world.
22
Catal Hüyük
23
Agricultural Revolution Domestication of plants & animals occurred independently around the globe. Exceptions were the Americas, Central Asia & Africa.
24
Agricultural Revolution Global Warming in the Holocene period (beginning 9,000 B.C.E. ) created environmental changes that reduced game & wild plant supplies.
25
Life in Neolithic Communities Advantages of food production-stored extra, sustained health. Society organized in kinship groups.
26
Cultural Expressions Worshiped ancestral and nature spirits. Used the megaliths Spread of language groups
27
Early Towns & Specialists Geographically favored. Villages grew to towns & centers of trade Metal works in the late Neolithic era, gold & silver Support for non-farmers.
Similar presentations
© 2024 SlidePlayer.com. Inc.
All rights reserved.