BM2 Week 3 Review
No description yet. This curated deck is ready for daily study.
Card preview (10)
Why is biodiversity important to ecosystems?
It helps populations adapt to ecological changes.
What are major human causes of extinction today?
• Hunting and destroying habitats. - Polluting and introducing non-native species.
Give a statement about surface water.
It makes up less than 1% of all water on Earth.
Most of the Earth’s fresh water is located where?
Solidified at the North and South Poles.
What is a way one person could conserve water?
Use a low-flow showerhead and take short showers.
What is an example of nonpoint-source pollution?
Runoff from agricultural feedlots.
When neighborhood residents noticed a large number of dead fish in a local creek, they traced the problem to a nearby gas station. It turned out that a tank of gasoline had developed a leak. This is an example of what kind of pollution?
Point-source pollution
What is a pollutant that is caused by poor sanitation and can lead to gastrointestinal infections?
Bacteria in food
Air pollution is a major health problem caused by the burning of fuels where?
• Vehicles • Home furnaces • Powerplants and factories
What are examples of pathogens that made a cross-species transfer to humans?
• Influenza virus • Hantavirus • West Nile Virus