Impact of Overharvesting
What were black rhinos hunted for?
Their horns.
What is one the main causes of soil erosion?
Deforestation.
Which chemical released into the air by farming causes the most problems?
What mineral do we get Chromium from?
What wast the bison hunted for originally?
Native Americans used everything on them: food, pelts, etc.
What two chemicals get released into the air because of farming?
nitrogen and phosphorus
Why are fossil fuels called fossil fuels?
They are made from remains of extinct creatures ~ essentially fossils.
What minerals do we get iron from?
Hematite/magnetite
Why did the American bison population drastically decrease in less than two decades?
They were shot from trains.
What area is experiencing the most deforestation?
Tropical areas.
How does the building of highways impact natural processes?
Destroys habitats.
What mineral do we get chlorine from?
Halite.
What were mountain gorillas hunted for?
Meat and Trophies.
How does deforestation relate to farming?
Many forests are cut down to make room for farming land.
What mineral do we get aluminum from?
What mineral do we get lead from?
Galena.
How does over-harvesting a plant or animal affect the ecosystem it lives in?
Whatever gets eaten by or eats that plant or animal will be affected.
How are honey bees affected by pesticides and herbicides?
They kill them them on direct contact, and kill plants that they would pollinate.
Even though the surface of the Earth is 3/4 water, we do not have a plentiful supply of useful water. Why?
Most of the water on earth is Salt water.
What mineral do we get Silicon from?
Quartz