ENV SCI Standard 1

What is the removal of trees without adequate replanting? 

• deforestation
• a monoculture
  
• a carrying capacity
  
• bioremediation

Average annual global temperatures may increase on Earth because?

• Decomposers essential to recycling matter are being destroyed. 
• Too much oxygen is now given off by plants.
• Increasing carbon dioxide would trap more heat.
• Earth tilts toward the sun in the summer. 

Carbon Dioxide in the atmosphere enters the biotic parts of the biosphere through?

• Burning of Forests
• Photosynthesis
• Combustion of fossil fuels.
• All of these.

Which of the following nitrogen-cycle processes directly results in the production of nitrite and/or nitrate?

• Nitrification
• Denitrification
• Ammonification
• Nitrogen Fixation

Most nitrogen fixing organisms convert nitrogen gas into?

• Nitrate
• Nitrite
• Nitric Acid
• Ammonium

The hydrological cycle is powered by the sun, which causes water to change from liquid to gas? True or False?

• True 
• False

How are humans making greenhouse gases of our own?

• with large-scale agriculture
• burning forests
• burning fossil fuels in our cars
• all of the above

What is one way that humans can lessen their ecological footprint?

• Recycle
• Drive large vehicles
• Eat more meat
• Increase agricultural area

Why is biodiversity important?

• Biodiversity helps an ecosystem survive impacts such as natural disasters or human impact 
• It creates more fossil fuels
• It removes mercury and other pollutants
• It stops acid rain

What is included in the calculation of your ecological footprint?

• production of food, energy and other things consumed
• All of the above
• space required for housing, transportation, and sporting activities
• waste produced