Bell Ringer 10/09/2007Bell Ringer 10/09/2007

In a complete sentence, give an example In a complete sentence, give an example of human environment interaction. of human environment interaction. – Example (Do not use):Example (Do not use):

In the early 20In the early 20thth century the Chicago River was century the Chicago River was reversed to prevent waste from entering Lake reversed to prevent waste from entering Lake Michigan. Michigan.

Bell Ringer 10/10/2007Bell Ringer 10/10/2007

If all of time were placed onto one If all of time were placed onto one calendar year, what day would the calendar year, what day would the emergence of modern humans fall on? emergence of modern humans fall on? – Write your answer in a complete sentence. Write your answer in a complete sentence.

How has the internet affected your life?How has the internet affected your life?– Write your answer in a complete sentence.Write your answer in a complete sentence.

Hunter Gatherers Hunter Gatherers

Paleolithic AgePaleolithic Age- Old Stone Age, from about 2.5 million to - Old Stone Age, from about 2.5 million to 8000 BC. Oldest stone tools. 8000 BC. Oldest stone tools.

People who lived during this time:People who lived during this time:– Didn't build permanent dwellings. Made temporary homes in Didn't build permanent dwellings. Made temporary homes in

caves or tents made from branches and animal skins.caves or tents made from branches and animal skins.– Society was based on hunting animals and gathering edible Society was based on hunting animals and gathering edible

plants. plants. – Made stone tools.Made stone tools.

– Moved based on whether and animalsMoved based on whether and animals

Hunter GatherersHunter Gatherers

Tools need to be lightweight to carry easier.Tools need to be lightweight to carry easier.

Have to cooperate with everyone to get a good hunt - Have to cooperate with everyone to get a good hunt - greatest fear was of social ostracism.greatest fear was of social ostracism.

Little emphasis on material goods or private property.Little emphasis on material goods or private property.

Small groups - no more than 100.Small groups - no more than 100.

Being very young or very old was not good - they were Being very young or very old was not good - they were bad food producers.bad food producers.

Men hunted, women gathered. Men hunted, women gathered.

Hominids Hominids

Hominids– Early or pre humans. Hominids– Early or pre humans.

Homo habilis – Lived from about 2.4 to 1.4 million years Homo habilis – Lived from about 2.4 to 1.4 million years ago. ago.

Homo erectus – 1.8 mya to 70,000 years ago. Homo erectus – 1.8 mya to 70,000 years ago. – First human ancestor to walk truly upright. First human ancestor to walk truly upright.

HominidsHominids

Neanderthals Neanderthals – Widespread Paleolithic Widespread Paleolithic

People. People. – They lived approximately They lived approximately

350,000 -30,000 Years 350,000 -30,000 Years Ago.Ago.

– Intelligence helped them Intelligence helped them survive during the last ice survive during the last ice age. age.

– Had rituals for a successful Had rituals for a successful hunt.hunt.

– Buried dead. Left items in Buried dead. Left items in the graves showing they the graves showing they believed in an afterlife.believed in an afterlife.

HominidsHominidsCro-MagnonCro-Magnon– Lived from about 40,000 to 10,000 years ago. Lived from about 40,000 to 10,000 years ago. – Anatomically modern – Slightly more robust than Anatomically modern – Slightly more robust than

modern humans. modern humans. – Culture was more complex and used a greater variety Culture was more complex and used a greater variety

of tools than the Neanderthals. of tools than the Neanderthals. – Decorated their tools and weapons. Decorated their tools and weapons. – May have thought that painting animals in their caves May have thought that painting animals in their caves

would improve their hunt. would improve their hunt.

Modern HumansModern Humans

Homo Sapiens Sapiens: Means “Wise, wise human Homo Sapiens Sapiens: Means “Wise, wise human beings.” beings.”

The oldest known modern skull of a modern human is The oldest known modern skull of a modern human is 130,000 years old (shown below). But modern humans 130,000 years old (shown below). But modern humans are believed to have been around much longer than this. are believed to have been around much longer than this.

Neolithic AgeNeolithic Age

Neolithic Age- New Stone Age, 8000 BC to 3-4000 BC. Neolithic Age- New Stone Age, 8000 BC to 3-4000 BC. Polished stone tools, pottery, crops, and domestic Polished stone tools, pottery, crops, and domestic animals.animals.

Agricultural Revolution- shift from a food gathering to a Agricultural Revolution- shift from a food gathering to a food producing culture. food producing culture. – Began as far back as 8000 BC. Began as far back as 8000 BC. – Farming provides a steady source of food.Farming provides a steady source of food.

Domestication – Humans bringing animals under their Domestication – Humans bringing animals under their care for a variety of reasons: (Food, work, clothes, care for a variety of reasons: (Food, work, clothes, transportation). transportation).