Mon 1/4: Biogeochemical Cycles - Meaghan Rubenstein | Biblioteka

1

The process in which water vapor is released from leaves into the atmosphere

A. Evaporation

B. Sublimation

C. Transpiration

D. Infiliration

1

Our atmosphere is 20.9% oxygen (O2). Which provides most of the oxygen in the atmosphere?

A. Transpiration

B. Osmosis

C. Cellular Respriation

D. Photosynthesis

1

Which best explains why scientists can predict CO2 concentrations from plants density data?

A. Plants remove CO2 from the atmosphere during cellular respiration

B. Plants remove CO2 from the atmosphere during photosynthesis

C. Plants add CO2 to the atmosphere during transpiration

D. Plants add CO2 to the atmosphere during germination

1

Which of the following statements describes a role of plants in the water cycle?

A. Plants convert water vapor into CO2 during photosynthesis

B. Plants release H2O vapor into the atmosphere during transpiration

C. Plants transfer water to bacteria during nitrogen fixation

D. Plants release water from their roots into the soil

1

What is the primary role of photosyntheis in the carbon cycle?

A. Transferring carbon from producers to decomposers

B. Removing carbon from the atmosphere

1

Which of the following processes removes oxygen from the atmosphere?

A. Transpiration

B. Photosynthesis

C. Condensation

D. Respiration

1

Which of the following statements best explains how forests reduce atmospheric CO2 levels?

A. Forest animals consume atmospheric CO2 during respiration.

B. Trees use atoms CO2 during photosynthesis to form organic compounds

C. Tree roots fix atmospheric CO2 into the soil for the trees

D. Soil bacteria break down atmosphere CO2 to make fossil fuel

1

During respiration and Photosythsis what are 3 primary elements that cycle within the plant?

A. Hydrogen, Oxygen, and Potassium

B. Carbon, nitrogen, and Phosphorus

C. Hydrogen, carbon, and oxygen

D. carbon, iron, and sulfur

1

A green plant is wrapped in an airtight plastic bag and placed in sunlight for one hour.

A. The O2 level inside the bag will increase during that time.

B. The O2 level inside bag will stay the same during that time.

C. The O2 inside the bag will decrease during that time.

1

Which of the following is a way that Carbon is returned to the abiotic (non-living) part of the atmosphere?

plants performing photosynthesis

secondary consumers feed on primary producers

when dead organisms decompose

when primary consumers eat producers

1

What is the percent of water that we can use? (Lakes and Streams, and Goundwater)

79%

21%

97.5%

.5%

1

Nutrients circulate endlessly throughout the environment through complex cycles called?

geochemical cycles

biochemical cycles

biogeochemical cycles

chemical cycles

1

Primary producers use the following nutrients during photosynthesis

sugar, oxygen, and sunlight to produce carbon dioxide and water

carbon dioxide, water, and sunlight to produce sugar and oxygen

none of the above

1

The process by which organisms use oxygen to release the chemical energy in sugars and releases carbon dioxide and water is called?

nitrification

photosynthese

denitrification

cellular respiration