The Water cycle
What can the water cycle also be known as?
the hydrologic cycle
All living things contain billions of this type of atom in their cells.
Carbon
Where is most nitrogen stored?
Most nitrogen is stored in the atmosphere.
Removing plants can affect carbon in our atmosphere by doing what?
reducing photosynthesis which uses carbon
Water makes up what percentage of your body?
60-70%
Where do producers obtain their carbon?
Producers obtain carbon from the atmosphere.
What percent of the atmosphere is made up of NITROGEN gas?
79 percent of the atmosphere is made up of NITROGEN gas
This is an action humans do to release of Carbon from long term stores (geosphere) into atmosphere
burning fossil fuels
What is the state of matter change of liquid to gas in the water cycle?
evaporation
True or False: Carbon is lost when it is transferred among organisms.
False: Due to the theory of law of conversation, it is neither created nor destroyed.
True or False: We are able to use "free" nitrogen.
False: Nitrogen must be fixed for us to use it.
What human activities can affect a nutrient cycle by increasing the amounts of nutrients in the cycle faster than natural biotic and abiotic processes can move them back to the stores.
land clearing, agriculture, urban expansion, mining, industry, and motorized transportation
The evaporation of water from the surface of plant leaves.
transpiration
Where does CO2 in atmosphere come from?
volcanic activity, human activity, cellular respiration, decomposition of dead bodies
How can nitrogen be "fixed"?
What is lighting and a few special bacteria?
This action releases nitrogen compounds into the atmosphere which combine with water to form nitric acid (HNO3) which comes down as acid rain.
What is Land-clearing by burning?
False: all the water on Earth has been here since it was created.
Where do consumers obtain their carbon?
Consumers obtain their carbon from producers and other consumers.
This process is done by bacteria. That “fix” nitrogen gas into a useable form for plants.
What is nitrogen fixation?
Excess carbon in atmosphere creates Green House Gases, which causes what?
What is Global Warming?