Q4W2_World Population Timeline

history of human population growth

AGRICULTURAL REVOLUTION

2 million years ago

1700s

NOW

GREEN REVOLUTION

10,000 BC

1940

HUNTER/GATHERER

INDUSTRIAL REVOLUION

INFORMATION REVOLUTION

Agricultural Revolution

Watch this BrainPop video. Before beginning, make sure you have joined our class in BrainPOP using our unique class code. Next, open the link to the BrainPOP video. If you are not already signed in, click Log In at the top right and sign into your Google @mountainheightsacademy.org account. Click Watch Movie to watch the movie.

The Hunter/Gatherer Period During this time, the total human population was less than a few million. People were mostly hunters and gatherers who lived in small groups that moved around as needed to find food.

Agricultural RevolutionThe agricultural revolution enabled people to settle in villages and raise crops and domesticated animals. Farming increased the yield of food. This period is when the first major increase in human population occurred.

Industrial Revolution During this time improvements in health care and food supply led to rapid increases in the human population. Humans started using fossil fuels and machines to mass produce products.

Green Revolution An advancement in agricultural technology that further improved agricultural productivity to increase crop yields to decrease hunger through selective breeding, fertilizer and pesticide use, and specialized machines.

Information Revolution Advances in information lead to agricultural advances. The use of genetically modified crops, gene editing, remote sensing, AI, autonomous farming, and other technologies are being developed to increase crop production.