Human Impact Biology

Some pollution forms smog and can change the pH of water in the air. This is called

• acid precipitation.

• a watershed.

• conservation of energy.

• conservation of mass.

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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.

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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Use the map to determine which of these rivers flow into the Chesapeake Bay.

• James River

• York River

• Rappahannock River

• Potomac River

• Mississippi River

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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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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Which of these are causes of air pollution?

• Cars

• Fertilizer

• Leaving Electric devices on/plugged in (phones, lights, clothes dryer)

How does fertilizer get from fields to lakes and rivers?

• Tractors might tip over and spill it.

• Animals carry it.

• Run off during rain storms carry it.

Eutrophication is...

• Too much nutrients in a body of water.

• A good way to get rid of extra nutrients.

• A good source of nutrients for underwater plants.

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Which of these would have an effect on the populations in a forest? (pick 3)

• Building a shopping center

• Drought (low rainfall for a long time)

• Forest fire

• A rainy day

• Warm sunny days

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