Cycles of Matter and Energy Flow Quiz

What is the main difference between energy flow and matter cycling in ecosystems?

• Energy is recycled, while matter flows in one direction.

• Energy flows in one direction, while matter is recycled.

• Both energy and matter flow in one direction.

• Both energy and matter are recycled.

In the water cycle, what process involves water vapor being transported by wind?

• Precipitation

• Condensation

• Transpiration

• Evaporation

Which process in the carbon cycle involves plants converting CO2 into glucose?

• Decomposition

• Respiration

• Combustion

• Photosynthesis

What is a major consequence of burning fossil fuels on the carbon cycle?

• Decrease in global temperatures

• No change in atmospheric CO2 levels

• Decrease in atmospheric CO2 levels

• Increase in atmospheric CO2 levels

What is the primary form of nitrogen in the atmosphere?

• Nitrate

• Ammonia

• Nitrogen gas (N2)

• Nitrite

Which organisms play a crucial role in nitrogen fixation in the soil?

• Plants

• Bacteria

• Fungi

• Animals

What is a key difference between the phosphorus cycle and other nutrient cycles?

• Phosphorus does not cycle through the atmosphere.

• Phosphorus is not essential for life.

• Phosphorus is only found in water.

• Phosphorus cycles through the atmosphere.

Where is a large reservoir of inorganic phosphorus found?

• Biosphere

• Geosphere

• Hydrosphere

• Atmosphere

What role does phosphorus play in living organisms?

• It is a component of carbohydrates.

• It is a component of DNA and RNA.

• It is a component of proteins.

• It is a component of lipids.

How does the phosphorus cycle differ from the nitrogen cycle?

• Phosphorus is cycled through the atmosphere.

• Phosphorus is not essential for life.

• Phosphorus is not cycled through the atmosphere.

• Phosphorus is only found in the atmosphere.