Biogeochemical Cycles

Front

What is the chemical formula for oxygen?

Back

O₂

Front

What process returns nitrogen to the atmosphere and soil after plants and animals contain it?

Back

Decomposition

Front

What converts nitrogen gas into a usable form for plants and animals?

Back

Bacteria

Front

C₆H₁₂O₆ is also known as glucose. Where is it found?

Back

Both plants and animals

Front

What is the process in which nitrifying bacteria change ammonia into nitrites and then nitrates?

Back

Nitrification

Front

What is the role of decomposers in biogeochemical cycles?

Back

Decomposers break down dead organic matter, returning nutrients to the soil.

Front

What is the significance of the nitrogen cycle in ecosystems?

Back

The nitrogen cycle is essential for converting nitrogen into forms usable by living organisms.

Front

What are the main components of the carbon cycle?

Back

Photosynthesis, respiration, decomposition, and combustion.

Front

How do plants contribute to the carbon cycle?

Back

Plants absorb carbon dioxide during photosynthesis and release oxygen.

Front

What is the process by which water vapor is released from plants into the atmosphere?

Back

Transpiration.