Water Cycle
Nitrogen Cycle
Success!
Phosphorus Cycle
Carbon Cycle
100
Water falling to the earth from condensed clouds is known as what?
What is precipitation.
100

What is the term for converting nutrients so they are in a usable form??

What is "assimilation".

100

This type of selection begins on Bare Rock

What is "Primary"

100
The majority of the phosphorus in the world is stored in what?
What is rocks.
100
Which biological process do plants use to take in carbon dioxide from the atmosphere and get energy?
What is photosynthesis.
200

Once that water falls to the Earth, what is it considered?

What is groundwater.

200
Who "fixes" the nitrogen into a form that we can use?
What is bacteria (either in the soil or in the roots of legumes).
200

Secondary Succession begins with this

What is "Soil"

200

Phosphorus does NOT travel through which of the following spheres?

What is "atmosphere"

200
Name two ways that carbon is released into the atmosphere using biological processes?
What is cellular respiration and decomposition.
300
How does ocean/lake water return to the atmosphere?
What is evaporation.
300
Animals get most of the nitrogen they need by what?
What is "consuming plants or other animals that have the nitrogen".
300

The amount of nutrients (such as nitrogen, oxygen, etc.) within an ecosystem is known as what?

What is nutrient availability.

300

What happens when excess phosphorus enters waterways?  

What is "Algal blooms occur"

300
Humans have contributed more carbon to the carbon cycle by doing what?
What is burning fossil fuels.
400

______, snow, and sleet are all types of precipitation.

What is "Rain"

400
Planting legumes in a field the year before a crop will do what to the productivity of your field?
What is "increase productivity because there is more nitrogen in the soil".
400

If the ozone layer was not present, which of the following would occur?

what is "There would be no protection from harmful UV rays"

400
Herbivores and carnivores obtain phosphorus by doing what?
What is "consuming plants and/or animals that have phosphorus".
400
How do herbivores and carnivores get the carbon that they need?
What is "by consuming plants and/or animals that have carbon".
500
What is "transpiration"?
What is "when leaves release water through their underside to evaporate".
500
Nitrogen is used in the body to make what?
What is DNA and proteins.
500

_______ increases the amount of usable nitrogen in the soil?

What are "legumes"

500

What do humans use that impact the Phosphorus Cycle?

What is "fertilizer that is not natural"

500
Why do we need carbon?
What is "to form DNA and proteins". The creation of cells is also acceptable.
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