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Carbon And Nitrogen Cycles Vocab Review

Total questions: 12

Worksheet time: 8mins

Name
Class
Date
1.

plants take in carbon dioxide to make their own food

a)

Photosynthesis

b)

Cellular Respiration

c)

Sedimentation

d)

Decomposition

2.

long dead plants and animals turn into (a)     which release carbon dioxide into the atmosphere when they are burned

3.

Organisms in the oceans die and carbon compounds in their bodies get deposited as layers in the ocean floor

a)

Photosynthesis

b)

Cellular Respiration

c)

Sedimentation

d)

Decomposition

4.

Burning fossil fuels resulting to CO2 and other oxidized compounds back into the atmosphere is called (a)  

5.

organisms release carbon dioxide

a)

Photosynthesis

b)

Cellular Respiration

c)

Sedimentation

d)

Decomposition

6.

decomposers break down dead organisms and return the carbon to the soil

a)

Photosynthesis

b)

Cellular Respiration

c)

Sedimentation

d)

Decomposition

7.

(a)   is the process of decomposers breaking down dead organisms and returning the nitrogen to the soil

8.

animals get nitrogen from eating plants and other animals

a)

Consuming

b)

Fertilizer Runoff and Algal bloom

c)

Nitrogen Fixing Bacteria

d)

Atmospheric Nitrogen (N2)

9.

live in certain plant roots, can “fix” nitrogen into a usable form

a)

Consuming

b)

Fertilizer Runoff and Algal bloom

c)

Nitrogen Fixing Bacteria

d)

Atmospheric Nitrogen (N2)

10.

 the air is made of 78% nitrogen gas, a form which cannot be used by plants or animals

a)

Consuming

b)

Fertilizer Runoff and Algal bloom

c)

Nitrogen Fixing Bacteria

d)

Atmospheric Nitrogen (N2)

11.

(a)   can “fix” nitrogen into a usable form

12.

 when fertilizer washes off of a field, it can get into the lakes or rivers and cause an overgrowth of algae

a)

Consuming

b)

Fertilizer Runoff and Algal bloom

c)

Nitrogen Fixing Bacteria

d)

Atmospheric Nitrogen (N2)