Biogeochemical Cycles

Biogeochemical Cycles

by Daven Vandenberg

Multiple Choice

Which is NOT a process of the water cycle?

• precipitation
• freezing
• transpiration
• evaporation

Multiple Choice

The process of plants losing water through their leaves is called ____.

• condensation
• evaporation
• transpiration
• exhaling

Multiple Choice

What is the process of water droplets or ice crystals falling from the sky?

• evaporating
• condensing
• precipitating
• runoff

Multiple Choice

Which of the following removes carbon from the atmosphere?

• Combustion
• Respiration
• Photosynthesis
• Death

Multiple Choice

Identify the cycle pictured.

• The Water cycle
• The Carbon cycle
• The Nitrogen cycle
• The Phosphorus cycle

Multiple Choice

Carbon dioxide is added to the atmosphere by

• Burning fossil fuels 
• Cellular respiration
• Decomposing organic matter
• All answers are correct

Multiple Choice

Which of the following is true of carbon as it cycles in nature?

• Carbon dioxide is released during photosynthesis

• Carbon compounds rarely exist in the gaseous state

• Carbons sinks include forests and oceans

• The carbon dioxide concentration in the atmosphere is reduce by cutting trees

• Carbon is concentrated in igneous rocks

Multiple Choice

Which is the most abundant gas in the atmosphere?

• hydrogen

• oxygen

• helium

• nitrogen

Multiple Choice

Organisms that break down dead plants & animals and release nitrogen back into atmosphere...

• bacteria
• plants
• animals
• producers

Multiple Choice

Identify the cycle pictured.

• The Water cycle
• The Carbon cycle
• The Nitrogen cycle
• The Phosphorus cycle

Multiple Choice

This is NOT a part of the phosphorus cycle.

• Phosphate is incorporated into sedimentary rocks

• Phosphate bound to soil

• Atmospheric phosphate

• Phosphate is absorbed from the soil by plants

Multiple Choice

Phosphorous is passed from plants to ____ who eat them

• plants
• animals
• scavengers

Multiple Choice

_____ brings phosphorous into our waterways. .

• precipitation
• runoff
• transpiration
• condensation

Multiple Choice

This is released by the weathering of rocks.

• Carbon
• Oxygen
• Phosphorus
• Nitrogen

Multiple Choice

In general, algal blooms occur when

• toxins accumulate in shellfish.

• nutrients decrease in the water.

• nutrients increase in the water.