BH Midterm Review: Thresholds

Front

Agriculture

(Threshold 7)

Back

• -Early Humans forged for food.

- Nomad groups moved around together.

- Around 11,000 years ago various groups, in specific locations began settling and learning to farm. 

- Populations began to explode and civilizations began to form.

- This allowed for greater complexity (like irrigation, systems of justice, building of pyramids and religion) to emerge.

Front

Goldilocks Conditions

(Threshold 7)

Back

 - Increasing dense human communities.

- Knowledge about the environment.

- Warmer climates.

- Increasing competition for resources.

Front

New Complexity

(Threshold 7)

Back

 - Farming.

- Domestication of plants and animals.

- Villages and, cities and agrarian civilizations.

Front

Early Humans

(TH: 6)

Back

- The beginning of complex and learning and sharing of information learned.

- The creation of language and the ability to record and pass down knowledge and information between generations.

Front

Goldilocks Conditions

(TH: 6)

Back

- Powerful brains.

- Precise and versatile symbolic language.

- Interactions between individuals and communities.

Front

New Complexity

(TH: 6)

Back

- Humans began utilizing collective learning.

- Connecting with each other. 

-  Adapt to their environments.

- Pass information between

Front

Life on Earth

(TH: 5)

Back

• - Complex chemical compounds (DNA / RNA). 

- The right amount of energy.

- Liquid water.

Front

New Complexity

(TH: 5)

Back

• - New organisms that could:

- Maintain and fuel themselves.

- Adjust to changes in their environment.

- Copy themselves.

- Gain new adaptations over time.

Front

New Complexity

(TH: 4)

Back

- Planets. 

- Planetesimals. 

- Comets/Asteroids.

- Solar Systems.

Front

Goldilocks Conditions (TH: 4)

Back

- New chemical elements.

- Clouds of chemically rich matter.

- Newly forming stars (Sun).

- Gravity, Accretion and random collisions.