What is the water cycle?
continuous movement of water between earth's surface and the air, changing forms among the three states?
What type of organisms produce oxygen?
Producers
What is the main cause of nitrogen fixation?
bacteria on the roots of plants
What is the process of called when water falls from the clouds over land and water.
Precipitation
is All living things use energy and release gas as a waste product. What cycle explains the circulation of these gases?
Carbon Dioxide and oxygen cycle
What are the forms of precipitation?
Rain, Snow, Sleet, Hail
True or False
Producers take in oxygen and give off carbon dioxide
False Producers take in carbon dioxide and give off oxygen
True or false: The nitrogen cycle is the continuous cycle of nitrogen from air to organism to soil and back to the air and soil.
False: The nitrogen cycle is the continuous cycle of nitrogen from air to soil to organism and back to the air and soil.
Groundwater
What is the process in which water from lakes and rivers turns to water vapor?
Evaporation
What is the process when water vapor turns into a liquid?
What is condensation?
What process produces oxygen in the plants?
Photosynthesis.
Who do animals get the nitrogen they need for survival?
What are three types of consumers?
Omnivore, herbivore, and carnivore
How much of the air contains nitrogen?
78 percent
What is it called when it rains, and water flows over Earth's surface?
Runoff
True or False: Carbon dioxide is a waste product produced by all living things when they use energy.
False
Volcanic activity and Lightning
Where does water vapor condense in the sky?
On dust particles in the air
True or false: One type of hot spring is a geyser.
True
What is transpiration?
It is the process in which water is constantly evaporating from the leaves of plants.
What human activities give off carbon dioxide into the atmosphere?
What can appear on the roots where bacteria change nitrogen?
Nodules
What is the process in which nitrogen is changed into a usable form for organisms?
Nitrogen fixation
True or False: Yellowstone is home to more than half lf all the geyser in the world.
True