Water falling to the earth from clouds it is known as what?
What is precipitation.
What is wrong with atmospheric nitrogen?
What is "we can't use it".
What do biological systems do to matter within the biosphere, allowing matter to recycle?
What is "they transform it", or change what form it comes in.
The majority of the phosphorus in the world is stored in what?
What is rocks.
Which biological process do plants use to take in carbon dioxide from the atmosphere and get energy?
What is photosynthesis.
Once that water falls to the ground it can do what two things?
What is groundwater or runoff.
What living organism "fixes" the nitrogen into a form that we can use?
What is bacteria (either in the soil or in the roots of legumes).
What percentage of Earth's water is fresh water?
What is 3%.
Phosphorus is used in what genetic part of our bodies?
What is forming DNA and RNA.
Name two ways that carbon is released into the atmosphere using biological processes?
What is cellular respiration and decomposition.
How does ocean/lake water return to the atmosphere?
What is evaporation.
Animals get most of the nitrogen they need by what?
What is "consuming plants or other animals that have the nitrogen".
The Law of Conservation of Mass states what?
Matter can not be created or destroyed.
What must happen to the rock in order for plants to absorb the phosphorus within them?
What is break down into soil.
Humans have contributed more carbon to the carbon cycle by doing what?
What is burning fossil fuels.
Which is the process called what clouds are formed?
What is condensation.
What is "lightning".
What is the largest carbon sink (where we find the majority of Earth's carbon) on Earth?
What is "the ocean."
Herbivores and carnivores obtain phosphorus by doing what?
What is "consuming plants and/or animals that have phosphorus".
How do herbivores and carnivores get the carbon that they need?
What is "by consuming plants and/or animals that have carbon".
What is "evapotranspiration"?
What is "when leaves release water."
Nitrogen is used in the body to make what?
What is DNA and proteins.
What is it called when large amounts of phosphorus in lakes cause algae blooms and death of animals due to lack of oxygen?
What is "eutrophication".
Phosphorus is returned to the rock cycle from plants and animals by what?
Decomposition of plants/animals or feces/waste.
Why do we need carbon?
What is "to form DNA and proteins" or in sugars for energy.