M2 L3 Cycling of Matter

Label the parts of the carbon/ oxygen cycle.

d

c

b

a

sedimentation

photosynthesis/ respiration

combustion

diffusion

Label the parts of the phosphorous cycle.

c

d

e

b

a

sedimentation

runoff

geologic uplift

phosphate mining

weathering

The movement of chemicals on a global scale from abiotic through biotic parts of the environment is a ​ (a)   .

• biogeochemical cycle
• ecological weathering cycle

Label the parts of the water cycle.

g

f

a

b

c

d

e

precipitation

condensation

evaporation

percolation

transpiration

runoff

groundwater

Label the parts of the nitrogen cycle.

a

c

e

N2 fixation

nitrification

N2 fixation

denitrification

denitrification

Label the parts of the nitrogen cycle.

b

d

e

denitrification

nitrification

N2 fixation

denitrification

N2 fixation

In the nitrogen cycle, nitrogen is continuously recycled. Which type of organisms break down nitrogen compounds in dead organisms and recycle them into the soil?

• green plants

• autotrophs

• herbivores

• bacteria

What process involves the capture and conversion of nitrogen into a form usable by plants?

• phosphate cycle

• nitrogen fixation

• condensation

• dinitrification

Which process locks phosphorus in a long-term cycle?

• organic materials buried at the bottom of oceans

• land animals eating autotrophs

• humans mining phosphorus from rocks

• phosphates dissolved in water

The exchange of matter through the _____ is called the biogeochemical cycle.

• atmosphere

• biosphere

• community

• population