Water Cycle
Nitrogen Cycle
Carbon Cycle
Relationships
Misc.
100

When water falls to the earth from the atmosphere.

What is precipitation?

100

Bacteria convert nitrogen from waste (urine and feces) into ammonia

What is ammonification?

100

Plants capture CO2 from the atmosphere and use it to make sugar

What is photosynthesis?

100

One animal kills and eats another for food

What is predation?

100

This is an example of a negative human impact on the water cycle. 

What is deforestation, paving, pollution?

200

When water returns to the atmosphere via plants

What is transpiration?

200

When nitrogen gets captured from the atmosphere by bacteria or even lightening.

What is nitrogen fixation?

200

one organism eats another for carbon

What is consumption?

200

One organism benefits from the relationship, while the other organism is harmed

What is parasitism?
200
This is an example of a negative human impact on the carbon cycle?

What is combustion of fossil fuels?

300

Water is absorbed underground and can be stored in aquifers.

What is infiltration?

300

When nitrogen is returned to the atmosphere by bacteria as N2

What is denitrification?

300

CO2 released into atmosphere as waste from metabolism

What is cellular respiration?

300

One organism is benefitted while the other is unaffected

What is commensalism?

300

This is an example of a negative human impact on the nitrogen cycle

What is the use of fertilizers?

400

Water is not absorbed underground but is collected on the surface of the earth.

What is runoff?

400

Bacteria in the roots of plants convert nitrogen into a usable form, such as NO2

What is nitrification?

400

CO2 released into atmosphere from burning

What is combustion?

400

Both organisms involved benefit

What is mutualism?

400

the actual area in the ecosystem where an organism lives, including all of its abiotic and biotic resources.

What is a habitat?

500

The process through which clouds are formed.

What is condensation?

500

When organisms like bacteria break dead matter down, returning nitrogen to the soil

What is decomposition?

500

converts carbon from once-living organisms into a fuel source through intense heat and compression, including natural gas, oil, and coal

What is fossilization?

500

a relationship that exists between two or more organisms that are fighting for the same limited resource

What is competition?

500

all of the things an organism needs and does within its habitat.  

What is a niche?