Sp2018 EnvSci Unit 1 (part 3)

The growing of plants and animals for human needs.

• Hunting and Gathering
• Agriculture
• Industrialization
• Ecology

The use of fossil fuels, metal, and man-made products.   This type of society manufactures and uses machinery to make life easier.

• Agriculture
• Industrialization
• Hunting and Gathering
• Prehistoric

Small groups of people and small families picked berries and plants, and hunted animals for food.  There was no permanent settlements or towns.

• Agriculture
• Industrialization
• Hunting and Gathering
• Prehistoric

Which type of society led to the first permanent settlements and permanent communities?  The people did not have to move from place to place for food.

• Agriculture
• Industrialization
• Hunting and Gathering
• Prehistoric

People and families had no permanent homes.  They moved from place to place.

• Agriculture
• Industrialization
• Hunting and Gathering
• Prehistoric

The population of cities grew very, very fast.  This caused overcrowding and increased need for natural resources.

• Agriculture
• Industrialization
• Hunting and Gathering
• Prehistoric

Transportation systems were built.  These included railroads and trains, steam powered boats, and eventually automobiles.

• Agriculture
• Industrialization
• Hunting and Gathering
• Prehistoric

Many species went extinct because of climate change and by overhunting.

• Agriculture
• Industrialization
• Hunting and Gathering
• Prehistoric

Because of burning coal for heat and to power machinery, the air pollution was very bad, especially in cities.

• Agriculture
• Industrialization
• Hunting and Gathering
• Prehistoric

What are substances in the environment that have a harmful or poisonous effect?

• Pollution
• Chlorophyll
• Medicines
• Humic substances