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

What is wrong with atmospheric nitrogen?

What is "plants can't use it".

100

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.

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 other, 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

What does biogeochemical cycling allow nutrients to do throughout the biosphere?

What is cycle.

200
Phosphorus is used not only in energy and in cell processes (like enzymes and transport), but also in what?
What is forming DNA and RNA.
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

These represent to flow of an element in the diagram of a biogeochemical cycle.

What are arrows?

300

What must happen to the rock in order for plants to absorb the phosphorus within them?

What is erode into soil.

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

Which process within the water cycle is considered "biological" because it deals with a living organism?

What is transpiration.

400

This is the process by which decomposers return ammonia to the soil through the breakdown of decaying organisms.

What is ammonification?

400

The stems "bio" and "geo" mean this.

What is "life" & "Earth"

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

When leaves release water through their underside to evaporate.

What is transpiration?

500

Nitrogen is used in the body to make what?

What is DNA and proteins.

500

True/False: all elements discussed are necessary for the maintenance of life in a balanced ecosystem.

What is "true"

500

Phosphorus never enters what sphere of Earth?

What is the atmosphere?

500

What phenomenon does excess CO2 contribute to? Provide one way we can slow it down?

Climate change

Answers will vary

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