Human impact on the Environment

What does the EPA do?

• They provide food to the elderly

• The make sure that people have clean air

• The give money so that people can buy new cars

• The help people maintain schools

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According to the graph, what material’s recycling would reduce the largest portion of America’s trash?

• Metals

• paper

• plastics

• Yard trimmings

1. Which biome has the highest biodiversity and is the most threatened?

• Temperate forests

• grasslands

• tropical rain forests

• deserts

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The impact on the planet due to global warming is called...

• climate change
• the seasons
• the weather
• natural change

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Climate change causes extreme weather conditions such as:

• Flooding
• Heat Waves
• Hurricanes
• All of the above

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Which human activity contributes the MOST carbon dioxide to the atmosphere?

• Fishing
• Breathing
• Burning Fossil Fuels
• Farming

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Humans always have a negative affect on the environment

• True

• False

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When ​ (a)   are picked up by runoff, the effects can be harmful because the water that living organisms depend on becomes ​ (b)   . Human activities, such as overfishing and dumping pollutants into the ocean, can have a great impact, even causing ​ (c)   of some marine life. Artificial reefs have a ​ (d)   impact on the ​ (e)   because they help create underwater ecosystems. Typically, as human populations increase, the negative effects on Earth increase.

• pollutants
• polluted
• extinction
• positive
• environment

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What is sustainable agriculture?

• A concept in farming that maximizes profits by planting one crop throughout large areas

• A means of food production that requires large amounts of processing and shipping to get to its consumers

• A farming practice that focuses on protecting environments, public health, human communities, and animal welfare

• A farming practice that is designed to work in any climate zone, therefore making it practical worldwide to end hunger

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Increased industrialization will most likely

• decrease available habitats 
• increase environmental carrying capacity 
• increase the stability of ecosystems 
• decrease global warming

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