The Water Cycle Rain, snow, and sleet are examples of

this step of the water cycle.

a. Condensation b. Precipitation c. Evaporationd. Seepage

The Water Cycle The change of matter from a gaseous

phase to a liquid phase is referred to as:

a. Condensationb. Precipitationc. Evaporationd. Seepage

The Water Cycle The change of water from liquid to gas is

referred to as:

a. Condensationb. Precipitationc. Evaporationd. Seepage

The Water Cycle Water evaporates from leaves in a

process known as:

a. Evaporationb. Transpirationc. Seepage d. Condensation

The Water Cycle Precipitation that moves along the

ground and into rivers in streams is referred to as:

a. Evaporationb. Runoffc. Seepaged. Transpiration

The Nitrogen Cycle This step occurs when bacteria convert

nitrogen gas into organic compounds that living organisms can take up?a. Denitrification b. Assimilationc. Nitrogen fixationd. Ammonification

The Nitrogen Cycle Occurs when bacteria or fungi convert

nitrogen gas into ammonium ions.

a. Ammonificationb. Nitrogen fixationc. Nitrificationd. Deposition

The Nitrogen Cycle Occurs when bacteria in soil convert

nitrate ions into nitrogen gas.

a. Denitrificationb. Nitrogen fixationc. Ammonificationd. Assimilation

The Nitrogen Cycle When living organisms take up

nitrogen….

a. Nitrogen fixationb. Denitrificationc. Assimilationd. Ammonification

The Carbon/Oxygen CycleWhat would happen to our ecosystem if we were to get rid of all plant life?

The Carbon/Oxygen CycleWhat would happen to our ecosystem if we were to take away the majority of animal life?

The Carbon/Oxygen Cycle What would happen, if more plant life

were added to our ecosystem?