Human Impacts

Which of these would be MOST effective in preserving Biodiversity.

• Protecting lakes and rivers from dirty run-off and creating parks (like Shenandoah or Yowell Meadow) that protect habitats.

• Asking people to stop building homes in animals habitats.

• Make laws the make people stop driving cars and trucks.

• Outlawing dirty factories.

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How does air pollution affect humans negatively?

• Tiny particles in the air clog our lungs and make it hard to breath and get oxygen (O₂) to our heart. Some will die.

• Air Pollution adds gasses to the atmosphere that thickens the blanket around the planet and increases the global temperature.

• Air Pollution leads to higher temperatures which leads to melting glaciers which adds water to the oceans.

• Air Pollution leads to higher temperatures which leads to more evaporation which means more water vapor in the air which leads to more sever storms.

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Farms are great! But they do impact the ecosystem. Which of these are negative impacts of poor farming techniques?

• Habitat Loss for wild animals

• Fertilizer runoff leading to Eutrophication in lakes and rivers

• More food for wild animals

• More food for humans

• Soil Erosion

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Runoff from a Farm or Neighborhood on the Rappahannock River or the James River would affect which of these bodies of water?

• Pacific Ocean

• Amazon River

• Gulf of Mexico

• Chesapeake Bay

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Describe the impact of human activities on the cycling of matter in ecosystems.

• Human activities have no impact on the cycling of matter.

• Human activities can disrupt the natural cycling of matter.

• Human activities enhance the cycling of matter.

• Human activities only affect the cycling of energy.

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DOK Level 2: Skill/Concept

Construct an explanation for how human activities can lead to changes in ecosystem interactions.

• Human activities have no effect on ecosystem interactions.

• Human activities can alter the balance of interactions between species.

• Human activities only affect abiotic factors.

• Human activities only affect biotic factors.

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DOK Level 3: Strategic Thinking

Which human activity would most likely deplete nonrenewable resources?

• use of natural enemies to eliminate insect pests

• development of wildlife refuges 

• governmental restriction of industrial pollution 

• increased use of fossil fuels

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NGSS.MS-ESS3-4

The removal of an entire forest is called ____________.

• Weathering

• Deforestation

• Erosion

• Desertification

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Human activities are increasing the level of greenhouse gases in the atmosphere.

• True

• False

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A company has purchased 15,000 acres of forest. The loggers harvest mature trees in order to supply lumber for new homes. According to the graph, the Spotted Owl and the Hawk populations are the most negatively affected organisms. What would be the most likely explanation of why this has occurred?

• The Owl and Hawk numbers have dropped because the logging has depleted their food source.

• The owl and hawk populations have dropped because of the pollution from the logging equipment.

• The owl and hawk populations have dropped because the logging has removed the places they used for their nests.

• The owl and hawk populations have dropped because they have been scared away by the presence of humans.

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